Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi cao toc snippets" » "doi cao code snippets", "do cao toc snippets", "doi co toc snippets", "doc cao toc snippets", "doi cac toc snippets", "doi cao hoc snippets", "doi cao ngoc 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 cao toc 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 cao toc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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