Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trong thoi » trong thi, trong tho, trong trot
chu trong » chu trang, cay trong, tu trong
thoi minh » thi minh, thai minh, thoi dinh
thanh hoa » thanh pho
cong chu » cong chuc, cong chua, cong cu
toan » tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sach - thanh cong chu trong thoi minh ((thanh hoa) or (tinh toan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sach - thanh cong chu trong thoi minh ((thanh hoa) OR (tinh toan)).
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - thanh cong chu trong thoi minh ((thanh hoa) or (tinh toan))*.