Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"hang dung dat slippers" » "hoang dung dat slippers", "hang cung dat slippers", "dang dung dat slippers", "hang dung va slippers", "hang dung tai slippers", "hang dung dat slippery", "hang dung dat 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 dung dat 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 dung dat slippers"))) OR ("locating bug code snippets")).
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