Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
wang yang » wang yan, wang liang, wang yanling
wang tan » wang yan, wang ban, wang dan
tan yang » dan yang, tan ying, tan yong
yang hua » wang hua, yang hui, ying hua
hua wang » hwa wang, hua jiang, yuan wang
hong ng » hong kong, hong jong, hong hong

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

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