Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh dung » thanh dung, anh dung, hanh dong
luan dang » luan nang, luan danh, luan dong
dang cong » dung cong
cong minh » cong vinh, cong tinh, song minh
minh toan » tinh toan, manh toan, minh tuan
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: ((theo chieu) or (theo tieu)) sang - hanh dung luan dang cong minh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) sang - hanh dung luan dang cong minh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) sang - hanh dung luan dang cong minh toan cau*.