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 trinh, truong thanh
manh tinh » man tinh, manh binh, canh tinh
tinh vat » trinh vat, sinh vat, tinh va
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong ty
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 xanh - manh tinh vat dung ((cong thanh) OR (cong tan)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - manh tinh vat dung ((cong thanh) OR (cong tan)) toan cau*".