Perhaps you should try some spelling variations:
yan zhang » yuan chang, bin zhang, han chang
zhang wei » zhen wei
chang mae » chang ha, changes made
dang hadi » dang hai
wei shen » kwei sheng, enwei shen, wei shang
yang jui » yang judy, yang yi
ran yan » nan yan, ren yan, wang yan
yang xi » yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ran yan zhang wei shen ((((yang jui) OR (yang xi))) or (yang di)) ((chang mae) or (dang hadi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ran yan zhang wei shen ((((yang jui) OR (yang xi))) OR (yang di)) ((chang mae) OR (dang hadi)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ran yan zhang wei shen ((((yang jui) OR (yang xi))) or (yang di)) ((chang mae) or (dang hadi)) ;*".