Google Search Listing issues

[phpscriptsmall]

I have some doubts on Google results regarding my website two different scenarios explained Below

1. Scenario. My Website visible on Google search result following cases

1. While enter part of the website name like ----> phpscriptsmall

2. And also ----> site: <!-- m --><a class="postlink" href="http://www.phpscriptsmall.com">http://www.phpscriptsmall.com</a><!-- m -->

On the above two cases my website is listed in Google

2nd scenario My Website Not visible on Google search result following case

1. While I enter directly ---> <!-- m --><a class="postlink" href="http://www.phpscriptsmall.com">http://www.phpscriptsmall.com</a><!-- m -->

This case I’m not able to find any single link for my website in search results

=================Tested for the Issues====================

1. Sitemap Tested and Resubmitted

our sitemap link is here <!-- m --><a class="postlink" href="http://www.phpscriptsmall.com/sitemap_index.xml">http://www.phpscriptsmall.com/sitemap_index.xml</a><!-- m -->

Our robots.txt is here <!-- m --><a class="postlink" href="http://www.phpscriptsmall.com/robots.txt">http://www.phpscriptsmall.com/robots.txt</a><!-- m -->

2. We've tested crawling test it's fine here

3. We've tested Indexing test

4. We have Alexa Rank of 57,000 in Global

5. Our Hit list about 500/ day

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All are fine in our point of view .please check and let me know did i made any mistakes here.