Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cao anh doc snippets" » "cao anh code snippets", "cao dang doc snippets", "cao tang doc snippets", "cao bang doc snippets", "cao anh duc snippets", "cao anh hoc snippets", "cao nang doc 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 anh doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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