Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan cu chan snippets" » "dan cu code snippets", "dan chu chan snippets", "dan cau chan snippets", "dan cu nhan snippets", "dan cua chan snippets", "dan ca chan snippets", "dan su chan 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: (((("dan cu chan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan cu chan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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