Perhaps you should try some spelling variations:
ying yang » yin yang, ying chang, wang yang
yang yang » wang yang, wang yan
yuan ting » yuan ming, huang ting, yuan kang
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, chang ha
di chen » yi chen, li chen, jui chen
yang xi » yang di, yang yi, yang jui

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: fan ((ying yang) OR (yang yang)) di chen ((((yuan ting) OR (yuan wang))) OR (yang xi)) shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fan ((ying yang) OR (yang yang)) di chen ((((yuan ting) or (yuan wang))) or (yang xi)) shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: fan ((ying yang) OR (yang yang)) di chen ((((yuan ting) or (yuan wang))) or (yang xi)) shang hai ;*.