Perhaps you should try some spelling variations:
wang liang » wang yang
dong sink » dong sin, dong bin, dong ping
jiu congo » jiu cong, du congo, eic congo
congo shu » cong shu
juan see » juan rene, juan e, can see
juan de » jan de, jean de
yan jiu » yang jie, yang jin, pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang liang) or (dong sink)) roa ((juan see) OR (juan de)) yan jiu congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang liang) OR (dong sink)) roa ((juan see) OR (juan de)) yan jiu congo shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang liang) or (dong sink)) roa ((juan see) OR (juan de)) yan jiu congo shu ;*".