Perhaps you should try some spelling variations:
chiet tach » chieu sach
tranh cua » doanh cua, manh cua
ho chiet » ho chieu, ho thiet, hoc thiet
van cong » van dong, van phong, phan cong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
cua van » cua ban, cua vat, cua dan

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - canh tranh cua van cong tan ((toan cau) OR (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh cua van cong tan ((toan cau) OR (toan tap))*.