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