Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung dung
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, hoc hien, hoc dieu
trinh cua » tinh cua, trinh luat, trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
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: ((hoc chieu) OR (ho chieu)) sach - hanh trinh cua ((nhung huong) or (nhung cong)) van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - hanh trinh cua ((nhung huong) OR (nhung cong)) van tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) OR (ho chieu)) sach - hanh trinh cua ((nhung huong) or (nhung cong)) van tuan ban".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) OR (ho chieu)) sach - hanh trinh cua ((nhung huong) or (nhung cong)) van tuan ban*.