Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cho tao cau snippets" » "cho tao code snippets", "chon tao cau snippets", "che tao cau snippets", "cho dao cau snippets", "cho tao cu snippets", "cho tao cao snippets", "cho tao sau 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 ("cho tao cau snippets"))) or ("locating bug core snippets"))~.
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