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