Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
cua truong » cua trung, xuan truong, xa truong
hoc chieu » hoc thieu, ho chieu, hoc hien
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh trinh ((cua truong) OR (cac truong)) cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh trinh ((cua truong) OR (cac truong)) cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh trinh ((cua truong) OR (cac truong)) cong tan toan cau*.