Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bac phap cau snippets" » "bac phap code snippets", "ban phap cau snippets", "sach phap cau snippets", "tac pham cau snippets", "bac phan cau snippets", "bac pha cau snippets", "bac phap ca 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: (((("bac phap cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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