Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap cau den snippets" » "phap cau code snippets", "phan cau den snippets", "pha cau den snippets", "phap ca den snippets", "phap cap den snippets", "phap cau de snippets", "phap hau den 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: (((("phap cau den snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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