Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"dan hoc le snippets" » "van hoc le snippets", "dan toc le snippets", "dai hoc le snippets", "dan hoc he snippets", "dan hoc te snippets", "dan hoc ly snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dan hoc le snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan hoc le snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets")).
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