Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang diaz » yang di, yang dean
juan rene » juan meng, juan rana
yuan ting » yuan ming, huang ting, yuan kang
huang lin » huang bin, huang jing, huang ting
zhong zhi » zhang zhi, zhong tai
hong ghi » hong g, hong hai

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 diaz juan rene ((yuan ting) or (huang lin)) ((hong ghi) OR (zhong zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang diaz juan rene ((yuan ting) OR (huang lin)) ((hong ghi) OR (zhong zhi)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang diaz juan rene ((yuan ting) or (huang lin)) ((hong ghi) OR (zhong zhi)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yang diaz juan rene ((yuan ting) or (huang lin)) ((hong ghi) OR (zhong zhi)) ;*.