Perhaps you should try some spelling variations:
"trinh cfd code snippets" » "trinh cad code snippets", "trinh co code snippets", "trinh cau code snippets"
"dung dung trong snippets" » "duong dung trong snippets", "ung dung trong snippets", "dung ung trong snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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: (((("trinh cfd code snippets") or ("dung dung trong snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cfd code snippets") OR ("dung dung trong snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( trinh cfd code snippets ) or ( dung dung trong snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cfd code snippets") or ("dung dung trong snippets"))) or ("locating bug code slippers"))*.