Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yan yan » yan yuan, wang yan, qian yan
nan yan » nan ya, wang yan, qian yan
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: lang ((((yan yan) OR (nan yan))) or (yang yang)) ((di rene) or (di erence)) tan li song yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((((yan yan) OR (nan yan))) OR (yang yang)) ((di rene) OR (di erence)) tan li song yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang ((((yan yan) OR (nan yan))) or (yang yang)) ((di rene) or (di erence)) tan li song yu ;*".