Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bang cac cao snippets" » "bang cac code snippets", "nang cao cao snippets", "hang ca cao snippets", "dung cac cao snippets", "bang cac co snippets", "bang ca cao snippets", "bang bac 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: (((("bang cac cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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