Perhaps you should try some spelling variations:
china loren » china lehren, china korea, china more
wang liang » wang yang
liang sun » liang dan, liang tan, wing sun
china who » china what, china won
china why » china what, china won
yang yao » yang yang, wang yan, yang yi
yao hong » dao huong, gao zhong, zhao hong
hong yu » wong yue

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 liang sun ((china loren) OR (((china who) OR (china why)))) yang yao hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang sun ((china loren) or (((china who) OR (china why)))) yang yao hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang sun ((china loren) or (((china who) OR (china why)))) yang yao hong yu ;*.