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 van » trinh han, trinh quan, trinh toan
cong cong » cong dong, trong cong, dung cong
van cong » van dong, van phong, phan cong
ban than » ban thanh, van thanh, ban hanh
ban hang » ngan hang

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 van cong cong ((ban than) OR (ban hang)) cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chiet tach - hanh trinh van cong cong ((ban than) OR (ban hang)) cap*".