Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ca mong cai snippets" » "ca mong code snippets", "ca cong cau snippets", "ca cong cac snippets", "ca dong cac snippets", "ca muong cai snippets", "va mong cai snippets", "ca ong cai 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: (((("ca mong cai snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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