Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thien va lua snippets" » "thien van lua snippets", "tien va lua snippets", "trien van lua snippets", "thien va luat snippets", "thien ca lua snippets", "thien vi lua snippets", "thien va lua 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: (((("thien va lua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thien va lua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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