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"
"dung anh so snippets" » "dung danh so snippets", "duong anh so snippets", "dong anh so snippets", "dung anh son snippets", "dung anh co snippets"
"locating bug code snippets" » "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: (((("trinh cau code snippets") or ("dung anh so snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cau code snippets") OR ("dung anh so snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cau code snippets ) or ( dung anh so snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cau code snippets") or ("dung anh so snippets"))) or ("locating bug code snippets"))*.