Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cdinh cua » chinh cua, dinh cuu, sinh cua
tran chau » tranh chap, tran huu
dinh cua » dinh cuu, sinh cua, dinh cu
cong tan » cong tac, cong san, cong thanh

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 thieu sach - hanh ((cdinh cua) OR (dinh cua)) nhung cong tan tran chau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh ((cdinh cua) or (dinh cua)) nhung cong tan tran chau*.