Perhaps you should try some spelling variations:
wang liang » wang yang
und leong » mun leong, und leo
gang und » lang und, zugang und, zwang und
leong du » long du, mekong du, leon de
yuan zi » yan zi, yuan li, yuan fei
yang li » yang lin, yang di, yang xi
li gang » liu gang, ii gang, i gang

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: wang liang ((((yuan zi) OR (gan li))) OR (yang li)) li gang und leong du ;~.
• Adding a wildcard symbol may retrieve word variants: wang liang ((((yuan zi) or (gan li))) or (yang li)) li gang und leong du ;*.