Perhaps you should try some spelling variations:
states using » states during, estimates using, studies using
rates using » rates during, images using
wang yang » wang yan, wang liang, wang yanling
man live » man liveth, man die, man sie
live art » live smart, live farm, live a
yu yang » du yang, yi yang, yu fang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (yu yang)) man live art ((states using) OR (rates using)) ddms bei ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (yu yang)) man live art ((states using) OR (rates using)) ddms bei ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) or (yu yang)) man live art ((states using) OR (rates using)) ddms bei ;*.