Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, mot chieu
trinh cau » trinh chat, trinh chao, trinh tu
dung cong » dung trong
cong lang » cong vang, cong luong, cong quang
tuan bang » tuan dang, tuan hoang, thuat bang
ho chieu » theo chieu, hoc thieu, mot chieu
cau dung » cau duong, cu dung, cau dong
tuan ban » toan ban, luan ban, quang ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) OR (ho chieu)) sach - hanh trinh cau dung cong lang ((tuan ban) or (tuan bang))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - hanh trinh cau dung cong lang ((tuan ban) OR (tuan bang)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) sach - hanh trinh cau dung cong lang ((tuan ban) or (tuan bang))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (ho chieu)) sach - hanh trinh cau dung cong lang ((tuan ban) or (tuan bang))*.