Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
doi chiet » doi chieu, doi chi, doi viet
trinh cua » tinh cua, trinh luat, trinh quan
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.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chiet tach - hanh trinh cua van cong tan ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chiet tach - hanh trinh cua van cong tan ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - hanh trinh cua van cong tan ((toan cau) OR (toan tap))*.