Perhaps you should try some spelling variations:
nhung luong » hung luong, nhung huong, nhung tuong
chieu sach » chinh sach, chiet tach, chieu sang
trung hoa » trung hoc, trung ha
luong tap » luong tai, cuong tap, luong tham
doan dieu » nhan dieu, dang dieu
toan dien » toan tien, toan tin
ho chieu » theo chieu, hoc thieu, doi chieu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung hoa) OR (trung quoc)) nhung luong tap ((doan dieu) OR (toan dien))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung hoa) or (trung quoc)) nhung luong tap ((doan dieu) OR (toan dien))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung hoa) or (trung quoc)) nhung luong tap ((doan dieu) OR (toan dien))*.