Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"kha hoc dung snippets" » "kha hoc ung snippets", "kha hoc dan snippets", "kha hoc cong snippets", "khoa hoc dung snippets", "nha hoc dung snippets", "kha hoa dung snippets", "kha hoc 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: (((("kha hoc 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: (((("kha hoc dung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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