Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
congo shu » cong shu
zhang zhi » zhong zhi, wang zhi, zhang wei
tan yang » dan yang, tan yong, tao yang
tan ying » fan ying, ran ying, tan yong
xi ji » xin ji, xi ai
tuan » than, turn, juan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing ((wang yang) or (((tan yang) OR (tan ying)))) xi ji tuan minh ((congo shu) or (zhang zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing ((wang yang) OR (((tan yang) OR (tan ying)))) xi ji tuan minh ((congo shu) OR (zhang zhi)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ((wang yang) or (((tan yang) OR (tan ying)))) xi ji tuan minh ((congo shu) or (zhang zhi)) ;*".