Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan dan hoc snippets" » "dan dan code snippets", "dang dan hoc snippets", "ban dan hoc snippets", "dao dan hoc snippets", "dan van hoc snippets", "dan dan toc snippets", "dan dai hoc 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 dan hoc 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 dan hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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