Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"den ban dau snippets" » "dien ban dau snippets", "den bang dau snippets", "dep ban dau snippets", "den bat dau snippets", "den ban dan snippets", "den van dau snippets", "den ban dau 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 ban dau 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 ban dau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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