Perhaps you should try some spelling variations:
nhieu tang » chieu sang, hieu lang, nhiet nang
hanh trinh » hanh chinh
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
he nhieu » hop nhieu, phu nhieu, he dieu
dan toan » van toan, dan than, manh toan
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: he nhieu tang - ((canh tranh) or (hanh trinh)) cua ((hang cong) or (dang cong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: he nhieu tang - ((canh tranh) OR (hanh trinh)) cua ((hang cong) OR (dang cong)) dan toan cau.
• Adding a wildcard symbol may retrieve word variants: he nhieu tang - ((canh tranh) or (hanh trinh)) cua ((hang cong) or (dang cong)) dan toan cau*.