Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"he noi cau snippets" » "he noi code snippets", "he hoi cau snippets", "he loi cau snippets", "he noi dau snippets", "ha noi cau snippets", "he moi cau snippets", "ghep noi 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: (((("he noi cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("he noi cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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