Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
tuan china » wuhan china, can china, taiwan china
yang wang » yang yang, yan wang, yang liang
china lan » china land, china law, chia lan
lan pang » lang lang
pang jiu » pang jun, yang jie, yang jin
jiu cong » li cong

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang wang) OR (yang guang)) tuan china lan pang jiu cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang wang) OR (yang guang)) tuan china lan pang jiu cong shu ;*.