Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
t'an yang » tan yang, dan yang
xiao yang » xiao zhang, xia fang, xiao yuan
tao yang » yao yang, tan yang, dan yang
jie cong » jie song, jiu cong, li cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang yang guang ((t'an yang) or (((tao yang) OR (xiao yang)))) jie cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yang guang ((t'an yang) OR (((tao yang) OR (xiao yang)))) jie cong shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang yang guang ((t'an yang) or (((tao yang) OR (xiao yang)))) jie cong shu ;".
• Adding a wildcard symbol may retrieve word variants: wang wang yang guang ((t'an yang) or (((tao yang) OR (xiao yang)))) jie cong shu ;*.