Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
va phuong » cac phuong
thong tan » thong than, thong tran, thong tin
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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 ((va phuong) OR (va thuong)) thong tan toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh tung ((va phuong) OR (va thuong)) thong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tung ((va phuong) OR (va thuong)) thong tan toan tap*.