Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
ban luong » ban huong, van luong, ban tuong
cong lap » cong luan, cong lang, cong tac
van cong » van dong, van phong, phan cong
dan can » dan chan, dan canh, dan ca
can cau » van cau, ban cau, ca cau

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 - thanh cong lap ((ban luong) OR (van cong)) dan can cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh cong lap ((ban luong) or (van cong)) dan can cau*.