Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan cam mat snippets" » "phan cac mat snippets", "phan cau mat snippets", "khoan cam mat snippets", "phan cham mat snippets", "phan ham mat snippets", "phan cam mau snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phan cam mat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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