Perhaps you should try some spelling variations:
rates human » frames human, routes human, wages human
use rates » dose rates, base rates, use water
das human » des human, does human, sdgs human
young eun » young men
yang fan » zhang fan, yang dean, yang yang
yang jui » yang judy, yang di, yang xi
ng das » hg das

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang fan) or (yang jui))ng das human use rates human young eun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang fan) OR (yang jui))ng das human use rates human young eun ;*.