Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
thien anh » thien danh, tien anh, thien chanh
doanh cua » doanh luan
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan cau » phan dau, phan cac, phan tu

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 nhung ((cong dan) or (cong san)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (thien thanh)) - canh doanh cua nhung ((cong dan) OR (cong san)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien anh) OR (thien thanh)) - canh doanh cua nhung ((cong dan) or (cong san)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) OR (thien thanh)) - canh doanh cua nhung ((cong dan) or (cong san)) phan cau*.