Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan
yang liang » wang liang, yan liang, yang yang
tuan china » wuhan china, can china, taiwan china
der longue » de longue, very longue, hertz longue
longue do » long do, longer do
wei yang » pei yang, wei wang, wei yang's
yang der » gang der, yang dean, klang der

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: ((yang guang) OR (yang liang)) ((tuan china) OR (wang hua)) wei yang der longue do ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang guang) or (yang liang)) ((tuan china) or (wang hua)) wei yang der longue do ;*.