Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh trinh » canh tranh
cua nhung » va nhung
nhan cach » phan cac
ho thiet » hoc thiet, hoa thiet, so thiet
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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 trinh) or (hanh chinh)) cua nhung ((cong tan) OR (cong san)) nhan cach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho thiet tach - ((hanh trinh) OR (hanh chinh)) cua nhung ((cong tan) OR (cong san)) nhan cach*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho thiet tach - ((hanh trinh) or (hanh chinh)) cua nhung ((cong tan) OR (cong san)) nhan cach*".