Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
yang yang » wang yang, wang yan
china has » china have, china how
has yang » yao yang, dan yang, h yang
yang yao » wang yan, yang yi, yang fan
yao long » a long, so long, yao yang
long du » long d, long do, long run

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan liang) or (yang yang)) taiwan china has yang yao long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yang yang)) taiwan china has yang yao long du ;*.