Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
mot chieu » doi chieu, ho chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
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 hien) or (mot chieu))) or (theo tieu)) xanh - hanh tranh cua nhung cong tan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc hien) OR (mot chieu))) OR (theo tieu)) xanh - hanh tranh cua nhung cong tan phan cau.
• Adding a wildcard symbol may retrieve word variants: ((((hoc hien) or (mot chieu))) or (theo tieu)) xanh - hanh tranh cua nhung cong tan phan cau*.