Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ca dam cao snippets" » "ca dam code snippets", "ca dam bao snippets", "ca nam cao snippets", "ca dam rao snippets", "cao dam cao snippets", "cua dam cao snippets", "ca dao cao 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: (((("ca dam cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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