Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"khat ha nhat snippets" » "kham pha nhat snippets", "chat hoa nhat snippets", "khac hau nhat snippets", "khat hay nhat snippets", "khat hoa nhat snippets", "khat la nhat snippets", "khat ha nhat 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: (((("khat ha nhat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khat ha nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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