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If these problems are occured due to product category parameters here solution

Cross check results with:  **site:mydomain.com inurl:product  **

If you wanted to block a category parameter from being crawled it might also be useful to have them organized into separate directories.If you wanted to send a spider like Screaming Frog or Gsite Crawler through a section of the site to create segmented sitemaps so you can see which major parts of the site are having indexation problems. it would be much easier to do so if there was a directory you could ask it to crawl down from.

**Rel next / prev or View All Canonical - **Fine for pagination when used correctly but won’t solve most faceted navigation issues.

Rel Canonical - Helps with same facets in different order (e.g. blue/small/cheap Vs small/cheap/blue) But not designed for different facets (e.g. blue/small/cheap Vs blue/medium/cheap)

Please follow these steps

1. Download Xenu Link Sleuth

2. Install & Run Xenu Link sleuth

3. Run Report & Copy all 404 pages on your site

4. Now fix broken links with technical resource.

5. If you dont want to put page which you have removed i.e.  404: sitename/country/country/services

redirect it to ideal candidate. i,e, to main category or similar page.

If you need further help for redirection, let me know

first one is typo - Please take help from programmer/designer to fix this error.

second error - It is about page, so please fix this with adding same page or using  301

Third one error -  sitename/country/country/services fix it with 301 to appropriare page, or main category.

I think to achieve good results for any "vertical" focus has to be actual users and not search volumes. SEO, SEM,  & Inbound Social Marketing has to be startegic & creative. (Say Adding Value?)

Here few suggestions & features I liked from Urbanspoon , Expedia

1. Scope for UGC (User Generated Content) : Reviews, Ratings, How to Reach, Overall Experience.
2. Solid site architecture. ( For fun we name it wysiwyg architecture ) - Panoramic view of Hotel room, restaurant, Car for Rent Or Add value using more relevant modules on Page.

3. Many  great websites are missing implementation  of  Microdata using schema.org
4. Sectionwise Sitemap.xml, Image Sitemap, Video Sitemap
5. User-centric Navigation (Internal linking with partial anchor text)
6. Add Value using cool Facebook fan page or app
7. Promote every effort & channel strategically
8. Implement Canonical tags across Multilingual TLDs.

Hope, I have made attempt to enlist major features which Tripadvisor is missing

Do you have regular reporting process? If yes, Then please do following things

1. Analyze past trends, Make conclusion with consolidated changes, seasonality in data

2. Make summary Week Over Week, Month Over Month. Last Six Month would be ideal.

I think this is best you can do in this case.

If there was no such daily reporting. Then take it as oppurtunity & challange to redefine KPI's & Report formats.

Sometimes, Luck came in disguise