Perhaps you should try some spelling variations:
"nhanh cong code snippets" » "nhanh chong code snippets", "thanh cong code snippets", "nganh cong code snippets", "nhanh cong cong snippets", "nhanh cong co snippets", "nhanh cong che snippets", "nhanh cong code slippers"
"dung cong code snippets" » "dung cong cong snippets", "dung cong co snippets", "dung cong che snippets", "dung trong code snippets", "dung cong code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

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