Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan hoc den snippets" » "dan hoc code snippets", "van hoc den snippets", "dan toc den snippets", "dai hoc den snippets", "dan hoc dan snippets", "dan hoc de snippets", "dan hoc hien 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: (((("python using java snippets") or ("dan hoc den snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dan hoc den snippets"))) OR ("locating bug core snippets")).
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