Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"va duong cong snippets" » "va dung cong snippets", "va luong cong snippets", "va duong trong snippets", "van duong cong snippets", "va tuong cong snippets", "va huong cong snippets"
"using java java snippets" » "using data java 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 duong cong snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va duong cong snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( va duong cong snippets ) or ( using java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va duong cong snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))*.