Perhaps you should try some spelling variations:
yan liang » yang liang, wang liang, you liang
yang yang » wang yang, wang yan
china hui » china hubei, china how, china has
hui yang » hui ying, du yang, h yang
yang ka » yang fan, yang yao
ka long » a long, day long
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 hui yang ka long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan liang) OR (yang yang)) taiwan china hui yang ka long du ;*.