Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
cong thanh » dong thanh, cong tan, truong thanh
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua dung » cua dang, cua dong, qua dung
van cau » van dau, van hau, van chat

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 (hoc thieu)) sang - thanh trung cua dung ((cong thanh) or (cong trinh)) van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (hoc thieu)) sang - thanh trung cua dung ((cong thanh) OR (cong trinh)) van cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (hoc thieu)) sang - thanh trung cua dung ((cong thanh) or (cong trinh)) van cau*.