Perhaps you should try some spelling variations:
"trinh chao thang snippets" » "trinh chat thang snippets", "trinh han thang snippets", "trinh co thang snippets", "trinh cho thanh snippets", "trinh bao thang snippets", "trinh cau thang snippets", "trinh chao thang 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 chao thang snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))~.
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• Adding a wildcard symbol may retrieve word variants: (((("trinh chao thang snippets") or ("dung bug code snippets"))) or ("locating bug code snippets"))*.