Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
tan yang » tan ying, tan yong, tao yang
dan yang » daun yang, yang yang, adam yang
guo zong » guo feng, guo jing, guo ming
zong shu » cong shu, tong shui, wong shiu
di hui » yi hui
li hui » li hua, li kui, yi hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ((di hui) OR (li hui)) ((tan yang) or (dan yang)) guo zong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((di hui) OR (li hui)) ((tan yang) OR (dan yang)) guo zong shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((di hui) OR (li hui)) ((tan yang) or (dan yang)) guo zong shu ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ((di hui) OR (li hui)) ((tan yang) or (dan yang)) guo zong shu ;*.