Perhaps you should try some spelling variations:
"trinh anh ta snippets" » "trinh hanh ta snippets", "trinh thanh ta snippets", "trinh kinh ta snippets", "trinh anh tu snippets", "trinh anh va snippets", "trinh anh tuan snippets", "trinh anh ta 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 anh ta 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 anh ta snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh anh ta snippets ) or ( dung bug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh anh ta snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.