Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bang cao so snippets" » "bang cao code snippets", "nang cao so snippets", "bang cac so snippets", "bang cau so snippets", "bang cao son snippets", "bang co so snippets", "bang cao su 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 cao so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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