Perhaps you should try some spelling variations:
"nhanh cay co snippets" » "nhanh ha co snippets", "nhanh bac co snippets", "nhanh va co snippets", "nhanh cac co snippets", "nhanh tay co snippets", "nhanh cay cong snippets"
"dung cfd code snippets" » "dung cho code snippets", "dung cua code snippets", "dung co code snippets", "dung cfd core snippets"
"locating bug code snippets" » "locating bug core snippets", "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 cay co snippets") or ("dung cfd code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhanh cay co snippets") OR ("dung cfd code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhanh cay co snippets ) or ( dung cfd code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhanh cay co snippets") or ("dung cfd code snippets"))) or ("locating bug code snippets"))*.