Perhaps you should try some spelling variations:
cua thuong » cua truong, cua phuong, ca thuong
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
kien sach » dien sach, vien bach, viet sach
cua thong » cua khong, cua tong, suat thong
kien mac » dien mao, tien mai, kien ha
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: hoc ((kien sach) OR (kien mac)) - nhanh tinh ((cua thong) OR (cua thuong)) cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((kien sach) OR (kien mac)) - nhanh tinh ((cua thong) or (cua thuong)) cong tan toan cau~".
• Adding a wildcard symbol may retrieve word variants: hoc ((kien sach) OR (kien mac)) - nhanh tinh ((cua thong) or (cua thuong)) cong tan toan cau*.