Perhaps you should try some spelling variations:
yang july » yang judy, yang jui, yang jun
wang yang » wang yan, wang liang, wang yanling
hua rene » hua ren, juan rene
yang thi » dang thi, yang chik, yang di
hong ghi » zhong zhi, hong g, hong hai
yang y » yang yi, yang _, yang 8
y hua » ya hua, _ hua, y hu

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 y hua rene ((yang thi) OR (yang july)) ((hong ghi) OR (hong (tan OR than))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang y hua rene ((yang thi) or (yang july)) ((hong ghi) or (hong (tan OR than))) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang y hua rene ((yang thi) or (yang july)) ((hong ghi) or (hong (tan OR than))) ;*.