Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quan cau ca snippets" » "quan cau code snippets", "quang cao ca snippets", "toan cau ca snippets", "quan ha ca snippets", "quan cau cua snippets", "quan cay ca snippets", "quan cau ha 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 ("quan cau ca snippets"))) or ("locating bug core snippets"))~.
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