Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
xuan thong » xuat thong, xuan thang, xuan truong
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
hanh tran » hanh trang, thanh tran, hanh tram
tran xuan » tran quang, tran van
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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 - hanh tran xuan thong cong tac ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh tran xuan thong cong tac ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh tran xuan thong cong tac ((toan cau) or (toan ban))*.