Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
doc hieu » toc thieu, hoc thieu, hoc hien
cong san » cong tac
san than » sang than, san thanh, 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 chieu) or (doc hieu)) tinh - thanh ((truong cua) OR (truong cao)) nhung cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doc hieu)) tinh - thanh ((truong cua) OR (truong cao)) nhung cong san than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doc hieu)) tinh - thanh ((truong cua) OR (truong cao)) nhung cong san than cau".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doc hieu)) tinh - thanh ((truong cua) OR (truong cao)) nhung cong san than cau*.