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