Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
trang cua » tranh cua, tang cua, trung cua
cua dong » chua dong, cua cong, cua dang
cong san » cong tac
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 phap tinh - hanh trang cua dong ((cong trinh) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo phap tinh - hanh trang cua dong ((cong trinh) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo phap tinh - hanh trang cua dong ((cong trinh) or (cong san)) toan cau*.