Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
trinh xuat » trinh luat, trinh xuan, trich xuat
trinh quan » tinh quang, trinh luat, trinh han
cong luong » cong thuong, nang luong, cong dong
luong von » luong van, luong vuong, luong cong
ho chieu » hoc thieu, doi chieu, mot chieu
von toan » van toan, mon toan, von doanh
toan cau » toan cao, toan ban, toan tap

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 ((trinh xuat) OR (trinh quan)) cong luong von toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) sach - hanh ((trinh xuat) or (trinh quan)) cong luong von toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) sach - hanh ((trinh xuat) or (trinh quan)) cong luong von toan cau*.