Perhaps you should try some spelling variations:
cua phuong » cuu phuong, cuc phuong, luan phuong
cho chinh » chon chinh, che chinh, cuoc chinh
hoa chinh » hoan chinh, hoa hinh, hoc chinh
hanh tang » hanh trang, anh tang, hanh mang
giang van » hoang van, dang van, gian dan
tang cua » mang cua, hang cua, tang luan
cong dan » cong tan, huong dan, cong dong
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: ((cho chinh) or (hoa chinh)) sach - hanh tang cua phuong ((cong dan) OR (cong san)) giang van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((cho chinh) OR (hoa chinh)) sach - hanh tang cua phuong ((cong dan) OR (cong san)) giang van.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((cho chinh) or (hoa chinh)) sach - hanh tang cua phuong ((cong dan) OR (cong san)) giang van".
• Adding a wildcard symbol may retrieve word variants: ((cho chinh) or (hoa chinh)) sach - hanh tang cua phuong ((cong dan) OR (cong san)) giang van*.