Perhaps you should try some spelling variations:
sheng zhang » cheng zhang, zhen zhang, shen chang
wang yuhan » wang luhang, wang yidan, fang yuan
zhang mein » zhang mei, zhang wei, zhang lei
kong hang » kong heng, kong land, long han
kong hong » hong hong, kong heng, among hong
mein dang » mein dank, ein dank, sein dann
hai » hadi, haji, hari

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 yuhan) OR (wang yan)) ((kong hang) OR (kong hong)) sheng zhang mein dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yuhan) or (wang yan)) ((kong hang) OR (kong hong)) sheng zhang mein dang hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yuhan) or (wang yan)) ((kong hang) OR (kong hong)) sheng zhang mein dang hai ;*.