Perhaps you should try some spelling variations:
"nccnhuong cau code snippets" » "nccnhuong cau cong snippets", "nccnhuong cau de snippets", "nccnhuong cfd code snippets", "nccnhuong cau code slippers"
"hung v code snippets" » "hung v code slippers", "huong v code snippets", "nhung v code snippets", "chung v code snippets"
"locating bug code snippets" » "locating bug code slippers", "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: (((("nccnhuong cau code snippets") or ("hung v code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nccnhuong cau code snippets") OR ("hung v code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nccnhuong cau code snippets ) or ( hung v code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nccnhuong cau code snippets") or ("hung v code snippets"))) or ("locating bug code snippets"))*.