Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"than hoc dao snippets" » "toan hoc dao snippets", "thai hoc dao snippets", "than doc dao snippets", "than hoc dan snippets", "than hoc cao snippets", "than hoc dai snippets", "than hoc dao 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: (((("than hoc dao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than hoc dao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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