Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
nhieu tang » chieu sang, hieu lang, nhiet nang
hieu quan » hieu qua, lieu quan, thien quan
xa truong » cac truong
cua trung » cua truong, xuan trung, cua nhung
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
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: ho ((nhieu tang) or (hieu quan)) - hanh trang ((xa truong) or (cua trung)) cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((nhieu tang) OR (hieu quan)) - hanh trang ((xa truong) OR (cua trung)) cong tac phan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((nhieu tang) or (hieu quan)) - hanh trang ((xa truong) or (cua trung)) cong tac phan cau*.