Perhaps you should try some spelling variations:
dong hoang » hong hong
yang yang » wang yang, wang yan
dan yang » daun yang, wang yang, adam yang
tan yang » tan ying, tan yong, tao yang
guo ming » guo jing, guo xin, guo feng
ming shu » ming shih, cong shu, ming lu
di hui » li hui, yi hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (dong hoang)) di hui ((dan yang) or (tan yang)) guo ming shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (dong hoang)) di hui ((dan yang) OR (tan yang)) guo ming shu ;*.