Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu nganh, dieu hanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
tang chua » tang cua, tranh chua, tang ha
chua dang » cua dang, chua dong, chua nang
dang cong » dung cong
cong dang » cong dong, cong dan, cong dung
thanh cac » hanh cac, thanh bac, tranh cac
thanh ca » thanh cha, thanh ha, thanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) or (hieu manh)) - hanh tang chua dang cong dang ((thanh ca) OR (thanh cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (hieu manh)) - hanh tang chua dang cong dang ((thanh ca) OR (thanh cac))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (hieu manh)) - hanh tang chua dang cong dang ((thanh ca) OR (thanh cac))*".