Perhaps you should try some spelling variations:
"trinh ban tinh snippets" » "trinh han tinh snippets", "trinh van tinh snippets", "trinh san tinh snippets", "trinh ban thanh snippets", "trinh quan tinh snippets", "trinh ban hanh snippets", "trinh ban tinh 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"

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