Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc phan cuu snippets" » "duc phan code snippets", "dung phan cuu snippets", "duc thang cuu snippets", "duc phung cuu snippets", "duc phan cau snippets", "duc phan huu snippets", "duc phan cung 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: (((("duc phan cuu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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