Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh trung » thanh trung, hanh trang, manh trung
trung tran » trung tuan, trung thanh, trung tam
tran thong » toan thong, tran hong, tran trong
ho thiet » hoc thiet, hoa thiet, so thiet
cong tac » cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho thiet tach - hanh trung tran thong ((cong san) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - hanh trung tran thong ((cong san) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh trung tran thong ((cong san) or (cong tac)) toan ban*.