Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
ho chiet » ho chieu, hoc thiet, hoa thiet
ho thiet » hoc thiet, hoa thiet, so thiet
cong tan » cong tac, cong san, cong thanh
khan cap » khan ap, than cap, khoan cam
toan tap » toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (ho thiet)) tach - canh tranh cua thong cong tan ((khan cap) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) OR (ho thiet)) tach - canh tranh cua thong cong tan ((khan cap) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) OR (ho thiet)) tach - canh tranh cua thong cong tan ((khan cap) or (toan tap))*.