Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sach » chinh sach, chiet tach, chieu sang
trong cap » trung cap, trong cac, thong cap
dung cong » dung trong
ban thanh » ban hanh, ban hang
thanh cac » hanh cac, thanh bac, thanh ca
trong ca » trong cac, trong nha
cong ban » cong bang, cong san, cong tan

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 xanh) or (chieu sach)) - thanh ((trong cap) or (trong ca)) dung cong ban thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu sach)) - thanh ((trong cap) OR (trong ca)) dung cong ban thanh cac.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (chieu sach)) - thanh ((trong cap) or (trong ca)) dung cong ban thanh cac*.