Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac tinh doc snippets" » "cac tinh code snippets", "dac tinh doc snippets", "ha tinh doc snippets", "cuu tinh doc snippets", "cac trinh doc snippets", "cac tinh hoc snippets", "cac tinh doi 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: (((("cac tinh doc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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