Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong cao » dong cao, yong cai, yong c
tao yang » xiao yang, dan yang, gao ying
yao yang » yang yang
tan yang » dan yang, tan ying, tan yong
cao yan » jiao yan
yi yang » yin yang, yu yang, ying yang
yi gang » ii gang, i gang, li gang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong cao yan ((((tao yang) or (yao yang))) or (tan yang)) ((yi yang) OR (yi gang)) di ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong cao yan ((((tao yang) OR (yao yang))) OR (tan yang)) ((yi yang) OR (yi gang)) di ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong cao yan ((((tao yang) or (yao yang))) or (tan yang)) ((yi yang) OR (yi gang)) di ;*".