Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"va trong code snippets" » "va trong cong snippets", "va trong co snippets", "va trong che snippets", "va truong code snippets", "va thong code snippets", "va tuong code snippets"
"locating bug core snippets" » "locating bug code snippets"

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

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