Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
dong thanh » truong thanh
trung cao » truong cao, trung cap, trung co
ho chieu » hoc thieu, doi chieu, mot chieu
cao cong » cac cong, cao dang, cua cong
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 chieu) or (ho chieu)) xanh - thanh trung cao cong ((dong thanh) or (cong trinh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) xanh - thanh trung cao cong ((dong thanh) OR (cong trinh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (ho chieu)) xanh - thanh trung cao cong ((dong thanh) or (cong trinh)) toan cau*.