Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hang hoi trac slippers" » "hang hoa trac slippers", "hang hai trac slippers", "hang doi trac slippers", "hang hoi trach slippers", "hang hoi tran slippers", "hang hoi tac slippers", "hang hoi trac slippery", "hang hoi trac grippers"
"locating bug code snippets" » "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 java java snippets") or ("hang hoi trac slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("hang hoi trac slippers"))) OR ("locating bug code snippets")).
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