Perhaps you should try some spelling variations:
"trinh dang hung snippets" » "trinh dung hung snippets", "trinh dan hung snippets", "trinh bang hung snippets", "trinh dang quang snippets", "trinh manh hung snippets", "trinh dang cong snippets", "trinh dang hung 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 dang hung 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 dang hung snippets") OR ("dung bug code snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("trinh dang hung snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.