Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cu cua ndu snippets" » "cu cua code snippets", "cu cua du snippets", "cu cua ngu snippets", "cu cua nhua snippets", "cau cua ndu snippets", "ca cua ndu snippets", "co cua ndu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cu cua ndu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu cua ndu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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