Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tich phan ba snippets" » "dich phan ba snippets", "tich than ba snippets", "trinh phan ba snippets", "tich phan bo snippets", "tich phan dau snippets", "tich phan lap snippets", "tich phan ba 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: (((("tich phan ba snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tich phan ba snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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