Perhaps you should try some spelling variations:
yang guang » yang liang
yang yang » wang yang, wang yan
china how » china hong
yan guan » gan guan, yan yuan, yihan guan
how yang » how young, zhou yang, how bank
long do » long d, long du, longer do
yang 3 » yang _, yang 8, gang 3
3 long » a long, 2 long, 3.2 long

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 yang) OR (you can))) OR (((yang guang) OR (yan guan)))) taiwan china how yang 3 long do ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang yang) or (you can))) or (((yang guang) OR (yan guan)))) taiwan china how yang 3 long do ;~".
• Adding a wildcard symbol may retrieve word variants: ((((yang yang) or (you can))) or (((yang guang) OR (yan guan)))) taiwan china how yang 3 long do ;*.