Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
ve nhung » va nhung, tu nhung
cong dan » cong san, cong tan, huong dan
tung ve » dung ve, tung le, tung va
dan bao » van bao, dam bao, da bao

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