Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"dung ban dac snippets" » "dung san dac snippets", "dung dan dac snippets", "dong ban dac snippets", "dung ban dan snippets", "dung ban dau snippets", "dung ban sac snippets", "dung ban dac 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 ban dac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ban dac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
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