Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tri pham dac snippets" » "toi pham dac snippets", "tri phan dac snippets", "tri cham dac snippets", "tri pham duc snippets", "tri pham dang snippets", "tri pham sach snippets", "tri 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: (((("tri 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: (((("tri pham dac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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