Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"khoan di lua snippets" » "khoan dinh lua snippets", "khoan hoi lua snippets", "khoan bai lua snippets", "khoan di cua snippets", "khoan vi lua snippets", "khoan dai luan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("khoan di lua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoan di lua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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