Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
phuong ban » phuong bang, phuong lan, phuong bac
thanh chau » thanh cha, thanh cham, thanh chu
hoc thieu » toc thieu, hoc hien
thanh cau » thanh mau, nhanh cau, thanh ca
lap bang » cao bang, mat bang, can bang
lap ban » lap luan

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 tung ((lap bang) or (lap ban)) phuong ban ((thanh cau) OR (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tung ((lap bang) OR (lap ban)) phuong ban ((thanh cau) OR (thanh chau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh tung ((lap bang) or (lap ban)) phuong ban ((thanh cau) OR (thanh chau))*".