Perhaps you should try some spelling variations:
"dung dang phuc snippets" » "dung dan phuc snippets", "dung dong phuc snippets", "dung danh phuc snippets", "dung dang phuoc snippets", "dung nang phuc snippets", "dung dang thuc snippets", "dung dang phuc slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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