Perhaps you should try some spelling variations:
toan thuong » toan thong, ton thuong, than thuong
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung toan » truong toan, trung tuan, trung tran
khoang cam » khoan cam, khoang cach, hoang cao
ho chieu » hoc thieu, doi chieu, mot chieu
dong tao » dong dao, dong bao, dong tam
dong tai » dung tai, luong tai, cong tac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (theo chieu)) xanh - thanh trung toan thuong ((dong tao) or (dong tai)) khoang cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh trung toan thuong ((dong tao) OR (dong tai)) khoang cam.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - thanh trung toan thuong ((dong tao) or (dong tai)) khoang cam".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - thanh trung toan thuong ((dong tao) or (dong tai)) khoang cam*.