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
ya juan » y juan, san juan, roa juan
juan de » jan de, jean de
yan jie » yang jie, yan jiu, yang jin
de yan » ke yan

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)) ya juan de yan jie congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (dong sink)) ya juan de yan jie congo shu ;*.