Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dao pham dac snippets" » "dao phat dac snippets", "hao pham dac snippets", "duoc pham dac snippets", "dao pham duc snippets", "dao pham dang snippets", "dao pham sach snippets", "dao pham 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: (((("dao pham dac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao pham dac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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