Perhaps you should try some spelling variations:
tran hoang » tran trang
wang tran » nang trang, wang yan, tung tran
shang hai » shang kai, dang hai, chang ha
hoang sy » hoang vu
hong hai » zhong tai, dang hai, hong tan
wong yue » wang yue, hong yu
gong li » gong si, song li, dong liu
gong di » dong di, gong si, long did

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang tran hoang sy gang ((gong li) or (gong di)) ((((hong hai) OR (shang hai))) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang tran hoang sy gang ((gong li) OR (gong di)) ((((hong hai) OR (shang hai))) OR (wong yue)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang tran hoang sy gang ((gong li) or (gong di)) ((((hong hai) OR (shang hai))) or (wong yue)) ;*".