Perhaps you should try some spelling variations:
region lying » region being, region during, region taking
dong hoang » hong hong
dong skin » dong sin, dong bin, dof skin
a region » a regional
lying di » yang di, lying _
ming hua » ying hua, ming hung, wang hua
di ming » di minin, tai ming, wei ming
ya a » a a, y a, ye a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong hoang) or (dong skin)) ya a region lying di ming hua ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong hoang) OR (dong skin)) ya a region lying di ming hua ;*.