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