Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phe phan luc snippets" » "phi phan luc snippets", "pho phan luc snippets", "phieu phan luc snippets", "phe nhan luc snippets", "phe phan duc snippets", "phe phan suc snippets", "phe phan luc 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: (((("phe phan luc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phe phan luc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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