Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"van chung do snippets" » "van chuong do snippets", "van hung do snippets", "van phung do snippets", "van chung co snippets", "van chung o snippets", "van nhung don snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("van chung do snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van chung do snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets"))*.
• Removing quotes may allow a broader search: (((( van chung do snippets ) or ( using java java snippets ))) or ( locating bugs code snippets ))*.