Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
sang minh » kang minah, anh minh, song min
chang mae » chang ha, changes made
dan sang » dan yang, dan dana, dan qing
hong hai » shang hai, zhong tai, dang hai
shi dan » shi fan, shi ding, shi jian
dean » dewan, jean, den

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: yang yang dean shi dan sang minh ((hong hai) OR (chang mae)) ;~.
• Adding a wildcard symbol may retrieve word variants: yang yang dean shi dan sang minh ((hong hai) or (chang mae)) ;*.