Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan voi cong snippets" » "dan voi code snippets", "dan noi cong snippets", "dan moi cong snippets", "dan tai cong snippets", "dan hoi cong snippets", "ban voi cong snippets", "da voi cong 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 voi cong 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 voi cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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