Perhaps you should try some spelling variations:
china lorenz » china loren, china korea, china more
lorenz mainz » lorenza martinez
huang cheng » huang chang, huang weng, yuan cheng
hong cheng » hong sheng, ong cheng, zong cheng
wang liang » wang yang
mainz john » gain john, mainz koln, mainz von
john wong » john song, john bonn
wong siu » wong shiu, kong siu, wong sau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((huang cheng) OR (hong cheng))) OR (wang liang)) can china lorenz mainz john wong siu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((huang cheng) OR (hong cheng))) or (wang liang)) can china lorenz mainz john wong siu ;~".
• Adding a wildcard symbol may retrieve word variants: ((((huang cheng) OR (hong cheng))) or (wang liang)) can china lorenz mainz john wong siu ;*.