Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, theo chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
tac chan » tac chuan, tac can, tac chon
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((thi chieu) or (theo tieu))) or (doc hieu)) xanh - canh tranh cua nhung cong tac chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((thi chieu) OR (theo tieu))) OR (doc hieu)) xanh - canh tranh cua nhung cong tac chan cau.
• Adding a wildcard symbol may retrieve word variants: ((((thi chieu) or (theo tieu))) or (doc hieu)) xanh - canh tranh cua nhung cong tac chan cau*.