Perhaps you should try some spelling variations:
wang liang » wang yang
weit shang » wei shang
dong ping » dong sin, dong bin, dong jung
john song » john wong, john bonn, john ngosong
jin song » jie song, kim song, jin ying
a weit » a west, a soweit
ye a » yet a, e a, me a

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: ((wang liang) OR (dong ping)) ye a weit shang ((jin song) OR (john song)) hui ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang liang) or (dong ping)) ye a weit shang ((jin song) OR (john song)) hui ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang liang) or (dong ping)) ye a weit shang ((jin song) OR (john song)) hui ;*.