Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » hanh chinh
hang cong » dang cong, hang nong, bang cong
ho chiet » ho chieu, ho thiet, hoc thiet
qua hang » cua hang, mua hang, qua mang
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - ((hanh trinh) OR (canh tranh)) qua hang cong tac than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - ((hanh trinh) OR (canh tranh)) qua hang cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((hanh trinh) OR (canh tranh)) qua hang cong tac than cau*.