Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong tan, truong thanh
hanh dung » thanh dung, anh dung, hanh dong
toan cau » toan cao, toan ban, toan tap
va hang » van hang, va nang, va lang

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh dung va hang ((cong thanh) OR (cong trinh)) toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh dung va hang ((cong thanh) OR (cong trinh)) toan cau*.