Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi anh toan snippets" » "doi anh code snippets", "doi manh toan snippets", "doi anh tuan snippets", "doi thanh toan snippets", "doi hanh toan snippets", "doi canh toan snippets", "doi sanh toan 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: (((("doi anh toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi anh toan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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