Perhaps you should try some spelling variations:
"trinh con phat snippets" » "trinh cong phat snippets", "trinh co phat snippets", "trinh mon phat snippets", "trinh cong nhat snippets", "trinh cong chat snippets", "trinh cong phan snippets", "trinh con phat 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 con phat 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 con phat snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh con phat snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh con phat snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.