Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
trung tuan » trung thanh, trung tam, tran tuan
trinh toan » thanh toan, trinh han, trinh quan
doi chieu » doc hieu, doi chi, ho chieu
tuan nong » luan nong, quan nong, tuan duong
nong cong » cong cong, tong cong, nang cong

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) sang - thanh trung tuan nong cong ((trinh toan) OR (tinh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chieu)) sang - thanh trung tuan nong cong ((trinh toan) OR (tinh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) sang - thanh trung tuan nong cong ((trinh toan) OR (tinh toan)) cau*.