Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
cong thanh » dong thanh, cong trinh, cong tan
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
trung ap » trung cap, trung lap, trung tam
ap dung » xay dung, van dung
can cau » van cau, ca cau, cac cau
ban cau » bang cau, ban can, van cau

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 (ho chieu)) xanh - thanh trung ap dung cong thanh ((can cau) or (ban cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - thanh trung ap dung cong thanh ((can cau) OR (ban cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) xanh - thanh trung ap dung cong thanh ((can cau) or (ban cau))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) OR (ho chieu)) xanh - thanh trung ap dung cong thanh ((can cau) or (ban cau))*.