Perhaps you should try some spelling variations:
dong hoang » hong hong
hoang fan » zhang fan, yang fan
shang hai » shang kai, chang ha, hong hai
fan than » van thanh
than tan » tan tan, othman tan, than rain
tan yang » dan yang, tan ying, tan yong
yang jin » yang jie, yang jun, ying jin

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "dong hoang fan than tan yang jin ((shang hai) OR (dang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: dong hoang fan than tan yang jin ((shang hai) OR (dang hai)) ;*.