Perhaps you should try some spelling variations:
"trinh cau doc snippets" » "trinh chat doc snippets", "trinh chao doc snippets", "trinh tu doc snippets", "trinh chau doc snippets", "trinh cau do snippets", "trinh cau doi snippets"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug core snippets"
"locating bug code snippets" » "locating bug core 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 doc snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cau doc snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( trinh cau doc snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets ))*.