Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"que thi dung snippets" » "que thi huong snippets", "que thi nhung snippets", "que thi cong snippets", "que tai dung snippets", "que toi dung snippets", "quy thi dung snippets", "que thi dung 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: (((("que thi dung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("que thi dung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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