Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"bach mai thu snippets" » "bach mai thuy snippets", "bach ma thu snippets", "bach mai tu snippets", "sach mai thu snippets", "cach mai thu snippets", "bac mai thu snippets", "bach mai thu 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: (((("bach mai thu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bach mai thu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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