Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"van trinh do snippets" » "van thinh do snippets", "van tinh do snippets", "dan trinh do snippets", "van trinh ky 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 trinh do snippets") or ("using data java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van trinh do snippets") OR ("using data java snippets"))) OR ("locating bugs code snippets"))*.
• Removing quotes may allow a broader search: (((( van trinh do snippets ) or ( using data java snippets ))) or ( locating bugs code snippets ))*.