Perhaps you should try some spelling variations:
tested how » test how
latin wang » limin wang, liqin wang
yang yang » wang yang, wang yan
tan yang » dan yang, tan ying, tan yong
dong bin » dong sin, dong di, dann bin
wang hai » dang hai, wang hui, shang hai
ya a » a a, ye a, yu a
y a » y la

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: ((((tan yang) OR (yang yang))) OR (dong bin)) ((ya a) OR (y a)) tested how latin wang hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((((tan yang) or (yang yang))) or (dong bin)) ((ya a) or (y a)) tested how latin wang hai ;*.