Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"len choi cac snippets" » "len choi code snippets", "len thoi cac snippets", "len troi cac snippets", "ben chi cac snippets", "len cho cac snippets", "len chon cac snippets", "len cuoi 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: (((("len choi cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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