Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
yan wang » yuan wang, yang yang, qian wang
wang jun » pang jun, yang jun, wang jing
tan yong » tan hong, tan kong, tan yang
yong jun » yang jun, dong jung, yang jui
jun tan » jun jean, jun qian
hong a » hong ma, hong w, kong a

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

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