Perhaps you should try some spelling variations:
dien thanh » den thanh, tien thanh, dinh thanh
thanh tung » thanh cong
tong thong » thong thong, dong thong, cong thong
hien hanh » dieu hanh
doan phan » doanh phan, toan phan, dan phan
tung cua » trung cua, tuong cua, dung cua
cua tong » cua cong, cua dong, cua nong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien hanh) or (dien thanh)) - thanh tung cua tong thong ((doan phan) or (dan ca)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (dien thanh)) - thanh tung cua tong thong ((doan phan) OR (dan ca)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien hanh) or (dien thanh)) - thanh tung cua tong thong ((doan phan) or (dan ca)) cau*.