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, wang jing, wang chun
tan yang » dan yang, tan ying, tan yong
yang jun » yang jui, pang jun, yang jin
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 yang jun ((shang hai) or (hong a)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan wang jun tan yang jun ((shang hai) OR (hong a)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yan wang jun tan yang jun ((shang hai) or (hong a)) ;*.