Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dat lai cau snippets" » "dat lai code snippets", "dat dai cau snippets", "dat lam cau snippets", "dat tai cau snippets", "dat lai chau snippets", "dat lai cam snippets", "dat loi cau 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: (((("dat lai cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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