Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
china pt » china past, china part, china path
wan yan » wang yan, nan yan, wai yan
gang 3 » gang _, lang 3, wang 3
3 long » a long, 2 long, 3.2 long
long d » long do, long du, 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: ((((wan yan) OR (you can))) OR (((yang guang) OR (yang yang)))) taiwan china pt gang 3 long d ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wan yan) or (you can))) or (((yang guang) OR (yang yang)))) taiwan china pt gang 3 long d ;~".
• Adding a wildcard symbol may retrieve word variants: ((((wan yan) or (you can))) or (((yang guang) OR (yang yang)))) taiwan china pt gang 3 long d ;*.