Perhaps you should try some spelling variations:
test taking » sense taking
taking tin » taking time, taking action, taking things
dong cao » dong xiao, dan cao, dong nan
hua test » a test
tin hong » tan hong, kia hong, thi hong
hong hai » shang hai, zhong tai, dang hai
sin » sign, sind, skin

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: ((dong cao) OR (dong sin)) ya hua test taking tin hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: ((dong cao) or (dong sin)) ya hua test taking tin hong hai ;*.