Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
thieu sach » chieu sach, thien hach, hieu cach
cua thuong » cua truong, cua phuong, ca thuong
hoc thieu » toc thieu, hoc hien
tuong cua » truong cua, huong cua, thong cua
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cao » toan cao, than cap, than sao
thai cao » tai cao, thoai cac, thuat cao

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 tuong cua thuong ((cong dan) or (cong tan)) ((than cao) OR (thai cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh tuong cua thuong ((cong dan) OR (cong tan)) ((than cao) OR (thai cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh tuong cua thuong ((cong dan) or (cong tan)) ((than cao) OR (thai cao))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh tuong cua thuong ((cong dan) or (cong tan)) ((than cao) OR (thai cao))*.