Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nu pha cau snippets" » "nu pha code snippets", "nu phan cau snippets", "nu phap cau snippets", "nu pha cac snippets", "nu phia cau snippets", "nu phu cau snippets", "ngu phap cau 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: (((("python using java snippets") or ("nu pha cau snippets"))) or ("locating bug core snippets"))~.
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