Perhaps you should try some spelling variations:
nhanh mang » nhanh lang, nhanh quang, nhanh thang
theo chieu » ho chieu, theo chu, thi chieu
nhung cong » dung cong, thong cong, hang cong
hanh mang » hanh trang, nhanh lang, thanh hang
cua nhung » va nhung
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) OR (theo tieu)) xanh - ((hanh mang) or (nhanh mang)) cua nhung cong tac tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) xanh - ((hanh mang) OR (nhanh mang)) cua nhung cong tac tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (theo tieu)) xanh - ((hanh mang) or (nhanh mang)) cua nhung cong tac tran cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (theo tieu)) xanh - ((hanh mang) or (nhanh mang)) cua nhung cong tac tran cau*.