Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
dong dong » dong hoang, dong jung, dong ping
shang hai » shang kai, chang ha, hong hai
wong yue » wang yue, hong yu
dong di » dong sin
di rent » des rent, der rent, oil rent
tang » tan, lang, yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang dong dong di rent tang li ((((dang hai) or (shang hai))) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong dong di rent tang li ((((dang hai) OR (shang hai))) OR (wong yue)) ;.
• Adding a wildcard symbol may retrieve word variants: wang dong dong di rent tang li ((((dang hai) or (shang hai))) or (wong yue)) ;*.