Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"va phong cho snippets" » "va phong chong snippets", "va dong cho snippets", "va luong cho snippets", "van phong cho snippets", "va phuong cho snippets", "va thong cho snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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