Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » dung cong, thong cong, hang cong
trinh phan » trinh han, trinh quan, thanh phan
hoc thieu » toc thieu, hoc hien
thanh tra » thanh toan, thanh hoa
dang cong » dung cong
tra tuan » tran tuan, tra quan, tri tuan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - thanh tra tuan ((nhung cong) or (dang cong)) trinh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tra tuan ((nhung cong) OR (dang cong)) trinh phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tra tuan ((nhung cong) or (dang cong)) trinh phan tu*.