Perhaps you should try some spelling variations:
wang liang » wang yang
doing sin » dong sin, doing un, doing von
qiang sur » liang sun
hua best » a best
our best » your best, der best, hr best
spent 30 » spent _, sept 30, spent li
30 qiang » _ qiang, li qiang

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: ((doing sin) OR (wang liang)) ya ((hua best) OR (our best)) spent 30 qiang sur ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doing sin) or (wang liang)) ya ((hua best) OR (our best)) spent 30 qiang sur ;~".
• Adding a wildcard symbol may retrieve word variants: ((doing sin) or (wang liang)) ya ((hua best) OR (our best)) spent 30 qiang sur ;*.