Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dang cho cao snippets" » "dang cho code snippets", "danh cho cao snippets", "dung cho cao snippets", "dong cho cao snippets", "dang cho cac snippets", "dang cho dao snippets", "dang cho can 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: (((("dang cho cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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