Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh tung » thanh tung, manh tung, hanh dung
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
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 (hoc thieu)) xanh - ((hanh tung) or (anh tang)) cua nhung cong tac tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) xanh - ((hanh tung) OR (anh tang)) cua nhung cong tac tran cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) xanh - ((hanh tung) or (anh tang)) cua nhung cong tac tran cau*.