Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trung tuan » trung thanh, trung tam, tran tuan
truong cua » truong ca, truong quan, truong cao
hoc thieu » toc thieu, hoc hien
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 ((trung tuan) or (truong cua)) dang cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh ((trung tuan) OR (truong cua)) dang cong dan chan cau*.