Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
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 tuan thong ((cong san) OR (cong tac)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet tach - hanh trung tuan thong ((cong san) OR (cong tac)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh trung tuan thong ((cong san) OR (cong tac)) toan ban*.