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