Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung hoc tham slippers" » "dong hoc tham slippers", "dung thuoc tham slippers", "trung hoc tham slippers", "dung hoac tham slippers", "dung hoc thai slippers", "dung hoc tam slippers", "dung hoc tham slippery", "dung hoc tham 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 ("dung hoc tham slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung hoc tham slippers"))) OR ("locating bug code snippets")).
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