Perhaps you should try some spelling variations:
"dung cau code snippets" » "dung chau code snippets", "dung cu code snippets", "dung cac code snippets", "dung cau cong snippets", "dung cau de snippets", "dung cfd code snippets", "dung cuau code snippets", "dung cacu code snippets", "dung camu code snippets"
"dung ca cua snippets" » "dung cua cua snippets", "dung cac cua snippets", "dung cam cua snippets", "dung co cua snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung ca cua snippets") or ("dung cau code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ca cua snippets") OR ("dung cau code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ca cua snippets ) or ( dung cau code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ca cua snippets") or ("dung cau code snippets"))) or ("locating bug code snippets"))*.