Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
thi hieu » thi chieu, thi hien, thi dieu
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san chan » san chang, dan chan, san chay
chan cau » phan cau, can cau, chinh cau

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) or (thi hieu)) xanh - canh manh cua dung cong san chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (thi hieu)) xanh - canh manh cua dung cong san chan cau*.