Perhaps you should try some spelling variations:
"trinh tam danh snippets" » "trinh tai danh snippets", "trinh toan danh snippets", "trinh cham danh snippets", "trinh nam danh snippets", "trinh tam anh snippets", "trinh tac danh snippets", "trinh tam danh 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"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh tam danh 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 tam danh snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh tam danh snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh tam danh snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.