Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cap » trung tam
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 ((trung cap) or (((truong cua) OR (truong cao)))) nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trung cap) OR (((truong cua) OR (truong cao)))) nhung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh ((trung cap) or (((truong cua) OR (truong cao)))) nhung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung cap) or (((truong cua) OR (truong cao)))) nhung cong tan toan cau*.