Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung du khoa slippers" » "dung de khoa slippers", "dung cu khoa slippers", "dung cua khoa slippers", "dung dau khoa slippers", "dung duc khoa slippers", "dung da khoa slippers", "dung du khoa slippery", "dung du khoa 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 du khoa slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung du khoa slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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