Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
manh tuong » manh tung, manh cuong, minh tuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
cao hang » cao tang, cao bang, cao nang
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan ban » tuan bang, toan ban, luan ban

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: toc ((thieu xanh) OR (hieu manh)) - manh tuong ((cao hang) OR (cao dang)) cong san tuan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) or (hieu manh)) - manh tuong ((cao hang) OR (cao dang)) cong san tuan ban~".
• Adding a wildcard symbol may retrieve word variants: toc ((thieu xanh) or (hieu manh)) - manh tuong ((cao hang) OR (cao dang)) cong san tuan ban*.