Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, xuan thang
han chang » huang chang, than change, can change
shang hai » shang kai, dang hai, chang ha
wei chen » frei chen, jui chen, yi chen
wei shen » kwei sheng, enwei shen, wei shang
yang jie » yang jin, yang di, yang jui
yang yi » yang di, yang xi, 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: tan ((yuan chang) OR (han chang)) ((wei chen) or (wei shen)) ((yang jie) or (yang yi)) shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tan ((yuan chang) OR (han chang)) ((wei chen) OR (wei shen)) ((yang jie) OR (yang yi)) shang hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tan ((yuan chang) OR (han chang)) ((wei chen) or (wei shen)) ((yang jie) or (yang yi)) shang hai ;".
• Adding a wildcard symbol may retrieve word variants: tan ((yuan chang) OR (han chang)) ((wei chen) or (wei shen)) ((yang jie) or (yang yi)) shang hai ;*.