Perhaps you should try some spelling variations:
dinh zhang » bin zhang, binh thang, xinzhu zhang
zhang wei » zhen wei
wei sheng » kwei sheng, wei shang, lei sheng
shang hai » shang kai, dang hai, chang ha
nam dinh » nam binh, tam ninh
yang jie » yang jin, yang xi, yang jun
yang jui » yang judy, yang xi
yang yi » yang xi

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: nam dinh zhang wei sheng ((((((yang jie) OR (yang di))) OR (yang jui))) OR (yang yi)) shang hai ;~.
• Adding a wildcard symbol may retrieve word variants: nam dinh zhang wei sheng ((((((yang jie) or (yang di))) or (yang jui))) or (yang yi)) shang hai ;*.