Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
hua rents » hua ren
wang dean » yang dean, wang dan, wang dewen
yang hua » wang hua, yang hui, ying hua
long yu » long du, rong yu, long run
hong yu » wong yue

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 yang hua rents wang dean ((long yu) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yang hua rents wang dean ((long yu) OR (hong yu)) ;*.