Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
tuan dung » tuan duong, tan dung, tuan dang
tran dung » tran dang, tran hung, tran quang
ho chiet » ho chieu, ho thiet, hoc thiet
anh quan » anh tuan, anh nhan, anh quoc
ban quan » van quan

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 ((tuan dung) OR (tran dung)) cong ((anh quan) or (ban quan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh trinh ((tuan dung) OR (tran dung)) cong ((anh quan) OR (ban quan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh trinh ((tuan dung) OR (tran dung)) cong ((anh quan) or (ban quan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh trinh ((tuan dung) OR (tran dung)) cong ((anh quan) or (ban quan)) cau*.