Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan ngu can snippets" » "nhan ngu code snippets", "nhanh ngu can snippets", "nhat ngu can snippets", "han ngu can snippets", "nhan ngu ca snippets", "nhan ngu van snippets", "nhan ngu dan 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: (((("nhan ngu can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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