Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khuan doi ca snippets" » "khuan doi code snippets", "khuan noi ca snippets", "quan doi ca snippets", "khoa doi ca snippets", "khuan doi cua snippets", "khuan doi cay snippets", "khuan duoi ca 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: (((("khuan doi ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khuan doi ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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