Perhaps you should try some spelling variations:
nhiet nang » nhiet dong, viet nang, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc nhiet » hoc thiet, hoc nghien, hoc hien
tranh cua » doanh cua, manh cua
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc nhiet nang - hanh tranh cua ((hang cong) or (dang cong)) tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc nhiet nang - hanh tranh cua ((hang cong) OR (dang cong)) tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc nhiet nang - hanh tranh cua ((hang cong) or (dang cong)) tinh toan cau*.