Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh doanh » hang doanh, chinh doanh, kinh doanh
hoc chieu » hoc thieu, ho chieu, hoc hien
cong cong » cong dong, trong cong, dang cong
dung cong » dung trong
tuan phan » luan phan, toan phan, tuan pham
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 chieu tinh - ((hanh doanh) OR (doanh doanh)) cua ((cong cong) or (dung cong)) tuan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - ((hanh doanh) OR (doanh doanh)) cua ((cong cong) OR (dung cong)) tuan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu tinh - ((hanh doanh) OR (doanh doanh)) cua ((cong cong) or (dung cong)) tuan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu tinh - ((hanh doanh) OR (doanh doanh)) cua ((cong cong) or (dung cong)) tuan phan cau*.