Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
thanh haio » thanh ha, thanh tai, thanh oai
thien anh » thien danh, tien anh, thien chanh
doanh cua » doanh luan
dung cong » dung trong
thanh hai » thanh phan, thanh hoa, thanh san
cua dung » cua dang, cua dong, qua dung
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) or (thien thanh)) - canh doanh cua dung cong ban ((thanh haio) or (thanh hai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien thanh)) - canh doanh cua dung cong ban ((thanh haio) OR (thanh hai)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (thien thanh)) - canh doanh cua dung cong ban ((thanh haio) or (thanh hai))*.