Perhaps you should try some spelling variations:
zhang hadi » zhang dai, khan hadi, shang hai
wang yang » wang liang, wang yanling
yan yuan » yan guan, fang yuan, nan yan
dan yang » daun yang, tan yang, yang yang
xi zhang » li zhang, xiao zhang, bin zhang
yan yun » yang yun, yan kun, yap yun
yang xi » yang di, yang yi, yang jui

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) OR (wang yan)) ((yan yun) or (yan yuan)) dan yang xi zhang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (wang yan)) ((yan yun) OR (yan yuan)) dan yang xi zhang hadi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) OR (wang yan)) ((yan yun) or (yan yuan)) dan yang xi zhang hadi ;".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) OR (wang yan)) ((yan yun) or (yan yuan)) dan yang xi zhang hadi ;*.