Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
hua irene » hua ren
sang minh » kang minah, anh minh, song min
yang jin » yang jie, yang jun, ying jin
tang min » chang min, yang mind, tang li
hong shu » cong shu, tong shui, wong shiu
yang ya » yang yao, yang yi, yang ka

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong yang ya hua irene ((yang jin) or (((tang min) OR (sang minh)))) hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ya hua irene ((yang jin) OR (((tang min) OR (sang minh)))) hong shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang ya hua irene ((yang jin) or (((tang min) OR (sang minh)))) hong shu ;".
• Adding a wildcard symbol may retrieve word variants: dong yang ya hua irene ((yang jin) or (((tang min) OR (sang minh)))) hong shu ;*.