Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cuu phan doc snippets" » "cuu phan code snippets", "cuu phat doc snippets", "cuu nhan doc snippets", "cuu thanh doc snippets", "cuu phan duoc snippets", "cuu phan duc snippets", "cuu than doc 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: (((("cuu phan doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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