Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cuong dung » tuong duong, ung dung, thong dung
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tinh » hanh trinh, nhanh tinh, thanh tinh
man tinh » may tinh, ban tinh, quan tinh
cong van » cong vang, song van, cong tan
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - ((man tinh) or (hanh tinh)) cuong dung ((cong van) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((man tinh) OR (hanh tinh)) cuong dung ((cong van) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - ((man tinh) or (hanh tinh)) cuong dung ((cong van) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((man tinh) or (hanh tinh)) cuong dung ((cong van) OR (cong san)) toan cau*.