Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
ho chiet » ho chieu, ho thiet, hoc thiet
san than » sang than, san thanh, van than
ban than » ban thanh, van thanh, ban hang

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 tach - ((hanh trinh) OR (thanh tung)) cua nhung cong ((san than) OR (ban than)) cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - ((hanh trinh) or (thanh tung)) cua nhung cong ((san than) OR (ban than)) cap~".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((hanh trinh) or (thanh tung)) cua nhung cong ((san than) OR (ban than)) cap*.