Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien 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 xanh))) or (chieu 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 xanh))) OR (chieu 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 xanh))) or (chieu sach)) - thanh tung ve nhung cong dan bao cao".
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu manh) OR (chieu xanh))) or (chieu sach)) - thanh tung ve nhung cong dan bao cao*.