Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ran cua hang snippets" » "ran cua dang snippets", "ran cua nhung snippets", "ran cua thanh snippets", "ban cua hang snippets", "dan cua hang snippets", "nan cua hang snippets", "ran cua hang 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: (((("ran cua hang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ran cua hang snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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