Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
vap nhung » va nhung, ve nhung, voi nhung
tung vap » tung va, trung van, tuong vao
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
bao cap » cao cap, bao cao, nao cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sach)) - thanh tung vap nhung ((cong dan) OR (cong san)) bao cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sach)) - thanh tung vap nhung ((cong dan) OR (cong san)) bao cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sach)) - thanh tung vap nhung ((cong dan) OR (cong san)) bao cap".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sach)) - thanh tung vap nhung ((cong dan) OR (cong san)) bao cap*.