Perhaps you should try some spelling variations:
yang jean » yang dean, young jean, yang fan
yang yang » wang yang, wang yan
yang yan » wang yan, yang fan, yang yao
rong yue » wong yue, rong yu, hong yu
di rene » di rete, i rene, ii rene
dr rene » der rent
yang li » yang lin, yang di, yang xi

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) or (yang jean)) ((di rene) OR (dr rene)) ((yang li) or (yang yang)) rong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang yan) OR (yang jean)) ((di rene) OR (dr rene)) ((yang li) OR (yang yang)) rong yue ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang yan) or (yang jean)) ((di rene) OR (dr rene)) ((yang li) or (yang yang)) rong yue ;*".