Perhaps you should try some spelling variations:
shang hai » shang kai, dang hai, chang ha
wang yang » wang yan, wang liang, wang yanling
tuan hua » tuan vu, yuan hui
tan yang » dan yang, tan ying, tan yong
yang min » yang mind, yang jin, tang min
hong hai » zhong tai, dang hai, hong tan
tan hua » tan chia, tan puay

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ((((tan hua) or (tuan hua))) or (wang hua)) tan yang min ((hong hai) OR (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((((tan hua) OR (tuan hua))) OR (wang hua)) tan yang min ((hong hai) OR (shang hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((((tan hua) or (tuan hua))) or (wang hua)) tan yang min ((hong hai) OR (shang hai)) ;*".