Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"bac hoi tiep snippets" » "bac hoa tiep snippets", "bac noi tiep snippets", "bac hoi tieu snippets", "bac ho tiep snippets", "bac hoc tiep snippets", "sach hoi tiep snippets", "bac hoi tiep 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: (((("bac hoi tiep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac hoi tiep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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