Perhaps you should try some spelling variations:
thien danh » thien dang, thien thanh, thien chanh
thien anh » tien anh, thien thanh, thien chanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
cong dang » cong dong, cong dan, cong dung
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung
dang van » hoang van, hang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((thien danh) OR (thien anh))) or (hieu manh)) - hanh tang cua dung cong dang van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((thien danh) OR (thien anh))) OR (hieu manh)) - hanh tang cua dung cong dang van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((thien danh) OR (thien anh))) or (hieu manh)) - hanh tang cua dung cong dang van ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((thien danh) OR (thien anh))) or (hieu manh)) - hanh tang cua dung cong dang van ban*.