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
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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~.
• 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".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - thanh ((trung cap) OR (truong cao)) nhung cong tan than cau*.