Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan yang » dan yang, yin yang
wang yang » wang yan, wang liang, wang yanling
yang hua » wang hua, yang hui, ying hua
hua wang » hwa wang, hua jiang, yuan wang
yang jin » yang jie, yang jun, ying jin
hong hai » shang hai, zhong tai, dang hai
hong ghi » zhong zhi, hong g

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan yang hua wang yang jin ((((hong hai) or (hong tan))) or (hong ghi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan yang hua wang yang jin ((((hong hai) OR (hong tan))) OR (hong ghi)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan yang hua wang yang jin ((((hong hai) or (hong tan))) or (hong ghi)) ;*.