Perhaps you should try some spelling variations:
nhung chong » nhung phong, nhung phuong, phong chong
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
ban ban » ban banh, can ban, ban dan

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 - hanh trinh cua ((nhung cong) or (nhung chong)) van ban ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh cua ((nhung cong) OR (nhung chong)) van ban ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh cua ((nhung cong) or (nhung chong)) van ban ban*.