Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan bat cu snippets" » "phan bat code snippets", "phan ba cu snippets", "phan bac cu snippets", "phan bai cu snippets", "phan bat cua snippets", "phan bat hu snippets", "phan bat tu 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: (((("phan bat cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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