Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lich hoa dau snippets" » "tich hoa dau snippets", "tich hoat dau snippets", "linh hoat dau snippets", "lich hoa dan snippets", "lich hoa dai snippets", "lich hoa dam snippets", "lich hoa 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: (((("lich hoa 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: (((("lich hoa dau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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