Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
canh manh » lanh manh, canh tranh, cach mang
hang cong » dang cong, hang nong, bang cong
dung cong » dung trong
manh cua » doanh cua, ban cua
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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 tieu xanh - canh manh cua ((hang cong) OR (dung cong)) tan ((than cau) OR (than cap))~".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh manh cua ((hang cong) OR (dung cong)) tan ((than cau) OR (than cap))*.