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
trang cua » tranh cua, tang cua, trung cua
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

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 ((trang cua) OR (ban cua)) nhung cong tan ((toan cau) OR (van ban))~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh ((trang cua) or (ban cua)) nhung cong tan ((toan cau) or (van ban))*.