Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
ho chieu » hoc thieu, doi chieu, mot chieu
ban cong » bang cong, van cong, phan cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) xanh - hanh trang cua ban cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - hanh trang cua ban cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - hanh trang cua ban cong tac toan cau*.