Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
tranh cua » doanh cua, manh cua
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
tan cau » van cau, tan ca, tao cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - hanh ((tranh cua) OR (trung tuan)) trong cong san ((tan cau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - hanh ((tranh cua) or (trung tuan)) trong cong san ((tan cau) OR (toan cau))~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - hanh ((tranh cua) or (trung tuan)) trong cong san ((tan cau) OR (toan cau))*.