Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
cong cong » cong dong, trong cong, dung cong
tung cua » trung cua, tuong cua, dung cua
cong dan » cong san, cong tan, huong dan
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu
doi chi » doi khi

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: ((doi chi) OR (hoc thieu)) sach - thanh tung cua cong cong dan ((chan cau) OR (phan cau))~.
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (hoc thieu)) sach - thanh tung cua cong cong dan ((chan cau) or (phan cau))*.