Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua ta cau snippets" » "cua ta code snippets", "cua tam cau snippets", "cua tap cau snippets", "cua tai cau snippets", "cua tao cau snippets", "cua tra cau snippets", "cua va 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: (((("cua ta cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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