Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
vinh toan » tinh toan, hinh toan, minh toan
ho chieu » hoc thieu, doi chieu, mot chieu
ban nong » ban nang, ban tong, ban huong
ban cong » bang cong, van cong, phan cong
toan tap » toan 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: ((ho chieu) OR (theo chieu)) sach - hanh tranh cua ((ban nong) OR (ban cong)) vinh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - hanh tranh cua ((ban nong) or (ban cong)) vinh toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - hanh tranh cua ((ban nong) or (ban cong)) vinh toan tap*.