Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
tan chia » tuan china, than china, can china
yuan hui » yuan fei, jaan hui, tuan hua
gan guan » yan guan, quan guan, fan guon
yu fang » yu gang, yu wang, yu yang
land du » land d, land der, land die
h yang » _ yang, hui yang

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 (gan guan)) ((tan chia) OR (yuan hui)) ((yu fang) OR (h yang)) 3.2 land du ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (gan guan)) ((tan chia) or (yuan hui)) ((yu fang) or (h yang)) 3.2 land du ;*.