Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh tranh » canh tranh, hanh trinh, hanh trang
chua nhung » cua nhung, thuat nhung, cua chung
chua dung » chua dong, thuat dung, chan dung
ho thiet » hoc thiet, hoa thiet, so thiet
cong tan » cong san, cong thanh, cong ty
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 tranh ((chua dung) or (chua nhung)) ((cong tan) OR (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - hanh tranh ((chua dung) OR (chua nhung)) ((cong tan) OR (cong tac)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet tach - hanh tranh ((chua dung) or (chua nhung)) ((cong tan) OR (cong tac)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho thiet tach - hanh tranh ((chua dung) or (chua nhung)) ((cong tan) OR (cong tac)) toan ban*.