Perhaps you should try some spelling variations:
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
tieu sach » chieu sach, dien sach, te sach
trung cap » trung tam
cong tan » cong tac, cong san, cong thanh
than cau » phan cau, than cap, thanh chau
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: theo tieu sach - thanh ((trung cap) or (truong cao)) nhung cong tan ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - thanh ((trung cap) OR (truong cao)) nhung cong tan ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - thanh ((trung cap) or (truong cao)) nhung cong tan ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - thanh ((trung cap) or (truong cao)) nhung cong tan ((than cau) OR (toan cau))*.