Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"doan co cac snippets" » "doanh co cac snippets", "toan co cac snippets", "doan do cac snippets", "doan cho cac snippets", "doan ca cac snippets", "doan co cau snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("doan co cac snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doan co cac snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
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