Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
thanh chau » thanh cha, thanh cham, thanh chu
hoc thieu » toc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
than cap » khan cap, thanh lap, thanh cac

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 tam) or (truong cao)) nhung cong dan ((thanh chau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh ((trung tam) OR (truong cao)) nhung cong dan ((thanh chau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh ((trung tam) or (truong cao)) nhung cong dan ((thanh chau) or (than cap))*.