Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phu ban than snippets" » "phu ban thanh snippets", "phu van thanh snippets", "phu ban hang snippets", "thu ban than snippets", "phu san than snippets", "pha ban than snippets", "phu ban than 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: (((("phu ban than snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu ban than snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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