Perhaps you should try some spelling variations:
yan yang » yang yang, yao yang, tan yang
dan yang » daun yang, tan yang, wang yang
how kong » how long, hong kong, w kong
how hong » how long, hong hong
hang shu » zhang shuo, cong shu, chang su
li law » ii law, li lan
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan yang) OR (dan yang)) li law ((how kong) OR (how hong)) hang shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yang) or (dan yang)) li law ((how kong) OR (how hong)) hang shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yang) or (dan yang)) li law ((how kong) OR (how hong)) hang shu ;*.