Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dan trinh java snippets" » "dan tinh java snippets", "van trinh java snippets", "hanh trinh java snippets"
"cong dung cong snippets" » "cuong dung cong snippets", "cong dong cong snippets", "cong luong cong snippets", "cong dung trong snippets"

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

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