Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hoc thieu » toc thieu, hoc hien
nhan cong » nhanh cong, phan cong, nhap cong
danh toan » manh toan, anh toan, dang toan
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cua nhan » ca nhan, cua ngan, cua nha
dan toan » van toan, dan than, manh toan

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) OR (hoc thieu)) sang - anh tang cua nhan cong ((danh toan) OR (dan toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (hoc thieu)) sang - anh tang cua nhan cong ((danh toan) OR (dan toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) sang - anh tang cua nhan cong ((danh toan) OR (dan toan)) cau*.