Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"van trinh java snippets" » "van thinh java snippets", "van tinh java snippets", "dan trinh java snippets"
"dung cao de snippets" » "duong cao de snippets", "dung cho de snippets", "dung co de snippets", "dung nao de snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van trinh java snippets") OR ("dung cao de snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van trinh java snippets ) or ( dung cao de snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van trinh java snippets") or ("dung cao de snippets"))) or ("locating bugs code snippets"))*.