Perhaps you should try some spelling variations:
"trinh cau code snippets" » "trinh chat code snippets", "trinh chao code snippets", "trinh tu code snippets", "trinh cau cong snippets", "trinh cau de snippets", "trinh cfd code snippets", "trinh cau code slippers"
"dung cua han snippets" » "dung luan han snippets", "dung cho han snippets", "dung cua nhan snippets", "dung cua hang snippets", "dung cua phan snippets", "dung cua han slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs 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: (((("dung cua han snippets") or ("trinh cau code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cua han snippets") OR ("trinh cau code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cua han snippets ) or ( trinh cau code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cua han snippets") or ("trinh cau code snippets"))) or ("locating bug code snippets"))*.