Perhaps you should try some spelling variations:
toan thuong » toan thong, ton thuong, than thuong
thanh trung » thanh tung
thuong cang » thuong lang, thuong quang, thuong han
trung toan » truong toan, trung tuan, trung tran
cang doan » cong doan, hang doanh, quang doan
doan phan » doanh phan, toan phan, dan phan
phan cau » phan dau, phan cac, phan tu
co lieu » cot lieu, co hieu, cu lieu
so lieu » so dieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((co lieu) or (so lieu)) tinh - thanh trung toan thuong cang doan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co lieu) OR (so lieu)) tinh - thanh trung toan thuong cang doan phan cau.
• Adding a wildcard symbol may retrieve word variants: ((co lieu) or (so lieu)) tinh - thanh trung toan thuong cang doan phan cau*.