Perhaps you should try some spelling variations:
region gan » region a, region al, region gandja
dong nan » dong yang, dong sin, dong cao
dong bin » dong sin, dong di, dann bin
a region » a regional
song shu » cong shu, song shin, tong shui
li song » li cong, li rong, kim song
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 nan) or (dong bin)) ya a region gan li song shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong nan) OR (dong bin)) ya a region gan li song shu ;*.