Perhaps you should try some spelling variations:
"trinh doc trinh snippets" » "trinh do trinh snippets", "trinh hoa trinh snippets", "trinh co trinh snippets", "trinh doc tinh snippets", "trinh doi trinh snippets", "trinh hoc trinh snippets", "trinh doc trinh slippers"
"dung bug code snippets" » "dung dung code snippets", "dung hung code snippets", "dung rung code snippets", "dung bug code slippers", "dung bug core snippets"
"locating bug code snippets" » "locating bug code slippers", "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 doc trinh 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 doc trinh snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( trinh doc trinh snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets ))*.