Perhaps you should try some spelling variations:
nhung chong » nhung phong, nhung phuong, phong chong
chieu sach » chinh sach, chieu sang, chieu xanh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

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