Perhaps you should try some spelling variations:
"trong ban code snippets" » "trong san code snippets", "trong tan code snippets", "trong quan code snippets", "trong ban co snippets", "trong ban cong snippets", "trong ban code slippers"
"dung cfd code snippets" » "dung cho code snippets", "dung cua code snippets", "dung co code snippets", "dung cfd 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: (((("dung cfd code snippets") or ("trong ban code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cfd code snippets") OR ("trong ban code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cfd code snippets ) or ( trong ban code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cfd code snippets") or ("trong ban code snippets"))) or ("locating bug code snippets"))*.