Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan wang » yiqian wang, qian wang, yan wang
bin zhang » binh thang, li zhang, jia zhang
zhang min » zhang ming, zhang xin, chang min
hong hai » shang hai, zhong tai, dang hai
hua bin » hua ban, huang bin
hong 7 » hong w, hong a, 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 wang hua bin zhang min ((hong 7) or (hong hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan wang hua bin zhang min ((hong 7) OR (hong hai)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yidan wang hua bin zhang min ((hong 7) or (hong hai)) ;*.