Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
dong sink » dong sin, dong bin, dong ping
jie congo » eic congo, jie song
congo shu » cong shu
juan de » jan de, jean de
yan jie » yang jie, yan jiu, yang jin
juan e » juan j, juan a, juan c

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) or (dong sink)) roa ((juan e) OR (juan de)) yan jie congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (dong sink)) roa ((juan e) OR (juan de)) yan jie congo shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) or (dong sink)) roa ((juan e) OR (juan de)) yan jie congo shu ;*".