Perhaps you should try some spelling variations:
thanh tung » thanh cong
cua phuong » cuu phuong, cuc phuong, luan phuong
doi chinh » do chinh, tai chinh, doi chi
hoc chinh » hoan chinh, hoc sinh, hoc kinh
thanh cac » hanh cac, thanh bac, thanh ca
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chinh) OR (hoc chinh)) sach - thanh tung cua phuong ((cong tan) or (cong san)) thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chinh) OR (hoc chinh)) sach - thanh tung cua phuong ((cong tan) OR (cong san)) thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chinh) OR (hoc chinh)) sach - thanh tung cua phuong ((cong tan) or (cong san)) thanh cac".
• Adding a wildcard symbol may retrieve word variants: ((doi chinh) OR (hoc chinh)) sach - thanh tung cua phuong ((cong tan) or (cong san)) thanh cac*.