Perhaps you should try some spelling variations:
"trinh cfd code snippets" » "trinh cad code snippets", "trinh co code snippets", "trinh cau code snippets"
"using 3d code snippets" » "using 3 code snippets", "using a code snippets", "using _ code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using 3d code snippets") or ("trinh cfd code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using 3d code snippets") OR ("trinh cfd code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( using 3d code snippets ) or ( trinh cfd code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("using 3d code snippets") or ("trinh cfd code snippets"))) or ("locating bug code slippers"))*.