Perhaps you should try some spelling variations:
zhang hadi » zhang dai, khan hadi, shang hai
tang tang » taizong tang
tang yun » yang yun, chang yun, fang yuan
tan yang » dan yang, tan ying, tan yong
xi zhang » li zhang, xiao zhang, bin zhang
yun tan » yun jang
yang xi » yang di, yang yi, yang jui

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: ((tang tang) OR (wang yan)) tang yun tan yang xi zhang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: ((tang tang) or (wang yan)) tang yun tan yang xi zhang hadi ;*.