Perhaps you should try some spelling variations:
"trong mach tran snippets" » "trong cac tran snippets", "trong minh tran snippets", "trong anh tran snippets", "trong mach tuan snippets", "trong vach tran snippets", "trong sach tranh snippets", "trong mach tran slippers"
"dung dung code snippets" » "duong dung code snippets", "ung dung code snippets", "dung ung code snippets", "dung dung cong snippets", "dung dung co snippets", "dung dung de snippets", "dung dung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("trong mach tran snippets") or ("dung dung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trong mach tran snippets") OR ("dung dung code snippets"))) OR ("locating bug code snippets")).
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