Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
wang yang » wang yan, wang liang, wang yanling
wie rene » wilke rene, wie deine, wie eine
li song » li cong, li rong, kim song
song yu » song yun, hong yu, rong yu
erence » terence, terrence
gan » gain, gang, ganz

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 yang guang ((((dwie rene) OR (wie rene))) OR (di erence)) gan li song yu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang guang ((((dwie rene) or (wie rene))) or (di erence)) gan li song yu ;*.