Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tham cau den snippets" » "tham cau code snippets", "tham canh den snippets", "toan cau den snippets", "cham cuu den snippets", "tham cap den snippets", "tham cau de snippets", "tham 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: (((("python using java snippets") or ("tham cau den snippets"))) or ("locating bug core snippets"))~.
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