Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"dung tran quan snippets" » "dung tren quan snippets", "hung tran quan snippets", "dang tran quan snippets", "dung tran quang snippets", "dung tran xuan snippets", "dung tran tuan snippets", "dung tran quan slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung tran quan snippets") or ("dung java java snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tran quan snippets") OR ("dung java java snippets"))) OR ("locating bung code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("dung tran quan snippets") or ("dung java java snippets"))) or ("locating bung code snippets"))*.