Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
luan trong » quan trong, luat trong, luan tuong
mot chieu » doi chieu, ho chieu
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) xanh - hanh tang luan trong cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) xanh - hanh tang luan trong cong tac than cau*.