Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoi bang cau snippets" » "hoi bang code snippets", "hoi lang cau snippets", "hoc bang cau snippets", "hai bang cau snippets", "hoi hang cau snippets", "hoi bang cac snippets", "hoi nang cao 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 ("hoi bang cau snippets"))) or ("locating bug core snippets"))~.
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