Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phau cot hat snippets" » "phau con hat snippets", "phau hoc hat snippets", "phan co hat snippets", "phau cot nhat snippets", "phau cot phat snippets", "phau cot chat snippets", "phau cot hat 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: (((("phau cot hat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phau cot hat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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