Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"den phuc sen snippets" » "den thuc sen snippets", "de phuc sen snippets", "den phu sen snippets", "den phuc se snippets", "den phu yen snippets", "den phu san snippets", "den phuc sen 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: (((("den phuc sen snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den phuc sen snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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