Perhaps you should try some spelling variations:
"cong cau de snippets" » "cong cu de snippets", "cong chuc de snippets", "thong cau de snippets", "cong cau den snippets", "cong cau do snippets", "cong cuu de snippets"
"chung cu code snippets" » "chung cfd code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs 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: (((("cong cau de snippets") or ("chung cu code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong cau de snippets") OR ("chung cu code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong cau de snippets ) or ( chung cu code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong cau de snippets") or ("chung cu code snippets"))) or ("locating bug code snippets"))*.