Perhaps you should try some spelling variations:
"huong cfd code snippets" » "huong cua code snippets", "huong c code snippets", "huong cau code snippets", "huong cfd core snippets"
"trinh dung de snippets" » "trinh dung he snippets", "trinh dung dat 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: (((("trinh dung de snippets") or ("huong cfd code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh dung de snippets") OR ("huong cfd code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh dung de snippets ) or ( huong cfd code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh dung de snippets") or ("huong cfd code snippets"))) or ("locating bug code snippets"))*.