Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cao thu cac snippets" » "cao thu code snippets", "cao thi cac snippets", "cac thu cac snippets", "ca thu cac snippets", "cao tu cac snippets", "cao thu xac snippets", "cao thu cuc 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: (((("cao thu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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