Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thu san hoc snippets" » "thuy san hoc snippets", "thu ban hoc snippets", "phu san hoc snippets", "thu van hoc snippets", "thu dan hoc snippets", "thu san ho snippets"
"locating bug code snippets" » "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: (((("python using java snippets") or ("thu san hoc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("thu san hoc snippets"))) OR ("locating bug code snippets")).
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