Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
doanh chau » doanh chu, doanh nhan, doanh thu
doi chiet » doi chieu, doi chi, doi viet
trinh cua » tinh cua, trinh luat, trinh quan
dang cong » dung cong
cua dang » cua cong, cua ban
cong tap » cuong tap, cong tac, cong tan
toan cau » toan cao, toan ban, toan tap

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 dang cong tap ((doanh chau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - hanh trinh cua dang cong tap ((doanh chau) OR (toan cau))*.