Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
dong jung » hong jong, dong ping, dong yang
shang hai » shang kai, dang hai, chang ha
der rent » der re, der rede
rent tan » rent a
hong hai » zhong tai, dang hai, hong tan
hong yu » wong yue
tan li » tang li, tian li, gan li

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 jung der rent tan li ((((hong hai) or (shang hai))) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong jung der rent tan li ((((hong hai) OR (shang hai))) OR (hong yu)) ;.
• Adding a wildcard symbol may retrieve word variants: wang dong jung der rent tan li ((((hong hai) or (shang hai))) or (hong yu)) ;*.