Perhaps you should try some spelling variations:
trang luan » tang luan, tranh luan, trang tuan
hanh trang » thanh trung, canh tranh, hanh trinh
luan trong » quan trong, luat trong, luan tuong
theo lieu » theo chieu, theo yeu, thi lieu
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: ((theo lieu) OR (theo tieu)) tinh - hanh trang luan trong cong tac toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo lieu) OR (theo tieu)) tinh - hanh trang luan trong cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo lieu) OR (theo tieu)) tinh - hanh trang luan trong cong tac toan cau*.