Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
hoang hai » dang hai, hoang h, shang hai
hong hai » shang hai, zhong tai, dang hai
rent yan » ren yan, rent a
jiu long » jiu cong, au long, eu long
long shu » cong shu, tong shui, long du
yan jiu » yang jie, yang jin, pang jiu

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 ((hoang hai) OR (hong hai)) rent yan jiu long shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dong ((hoang hai) OR (hong hai)) rent yan jiu long shu ;".
• Adding a wildcard symbol may retrieve word variants: wang dong ((hoang hai) OR (hong hai)) rent yan jiu long shu ;*.