Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang guang » yang yang, yan guan
you liang » you xian, you liangzhi
tan china » tuan china, than china, can china
pt yang » apa yang, pei yang
long do » long d, long du, longer do
i long » a long, 2 long, 3 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 liang) OR (you liang))) OR (yang guang)) tan china ((pt yang) OR (path yang)) i long do ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((yang liang) or (you liang))) or (yang guang)) tan china ((pt yang) OR (path yang)) i long do ;~".
• Adding a wildcard symbol may retrieve word variants: ((((yang liang) or (you liang))) or (yang guang)) tan china ((pt yang) OR (path yang)) i long do ;*.