Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"bieu hoc tin snippets" » "lieu hoc tin snippets", "hieu hoc tin snippets", "tieu hoc tin snippets", "bieu hoc tan snippets", "bieu hoc tieng snippets", "bieu hoc hien snippets", "bieu hoc tin 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: (((("bieu hoc tin snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bieu hoc tin snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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