Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh ba quan snippets" » "anh ban quan snippets", "anh bao quan snippets", "anh boa quan snippets", "anh bai quan snippets", "manh ba quan snippets", "anh bia quan snippets", "anh ba quan 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: (((("anh ba quan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh ba quan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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