Perhaps you should try some spelling variations:
cua phuong » cuu phuong, cuc phuong, luan phuong
cong thanh » dong thanh, cong trinh, truong thanh
hoc dien » hoc hien, hoc vien, hoc lien
hoc dieu » hoc thieu, hoc hien
anh dang » anh dong, anh dung, anh bang
dang cua » dung cua, dong cua, mang cua
cong tan » cong tac, cong san, cong ty
san ban » sang ban, van ban, can ban

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: ((hoc dien) OR (hoc dieu)) sach - anh dang cua phuong ((cong thanh) OR (cong tan)) san ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc dien) OR (hoc dieu)) sach - anh dang cua phuong ((cong thanh) or (cong tan)) san ban~".
• Adding a wildcard symbol may retrieve word variants: ((hoc dien) OR (hoc dieu)) sach - anh dang cua phuong ((cong thanh) or (cong tan)) san ban*.