Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yan » yang yang, wang yan, yang fan
di rene » di rete, dr rene, i rene
li song » li cong, li rong, kim song
song yu » song yun, hong yu, rong yu
tan li » tang li, tian li, gan li
erence » terence, terrence

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 yan ((di rene) or (di erence)) tan li song yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yan ((di rene) OR (di erence)) tan li song yu ;*.