Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
cong dang » cong dong, cong dan, cong dung
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
tran cau » tran chau, toan cau, tra cau
ran cau » van cau, ban cau, can cau

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 sach - manh ((tung cua) OR (dung cua)) nhung cong dang ((tran cau) or (ran cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - manh ((tung cua) OR (dung cua)) nhung cong dang ((tran cau) OR (ran cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - manh ((tung cua) OR (dung cua)) nhung cong dang ((tran cau) or (ran cau))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - manh ((tung cua) OR (dung cua)) nhung cong dang ((tran cau) or (ran cau))*.