Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » ho chieu, theo chu, thi chieu
dung chung » dung cong, dung ung, dung trung
chung danh » nhung danh, nhung doanh, phuong danh
trung ha » trung hoc, trung tam, trung cap
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
ha dung » hai dung, kha dung, nha dung

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 (theo tieu)) lang - thanh trung ha dung chung danh ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) lang - thanh trung ha dung chung danh ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) lang - thanh trung ha dung chung danh ((toan tai) or (toan ban))*.