Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dong trinh do snippets" » "cong trinh do snippets", "dong tinh do snippets", "dong tranh do snippets", "dong trinh ky snippets"
"using cfd code snippets" » "using 3d code snippets", "using c code snippets"

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

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