Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lap luan cau snippets" » "lap luan code snippets", "phap luan cau snippets", "ly luan cau snippets", "luc luan cau snippets", "lap quan cau snippets", "lap lua cau snippets", "lap luat cau 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: (((("lap luan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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