Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
thien anh » thien danh, tien anh, thien thanh
hanh dung » thanh dung, anh dung, hanh dong
nhung don » nhung van, nhung bo
dung cong » dung trong
dung cua » dung luan, dung cho
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (thien anh)) - hanh dung cua ((nhung don) or (dung cong)) van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (thien anh)) - hanh dung cua ((nhung don) OR (dung cong)) van tuan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (thien anh)) - hanh dung cua ((nhung don) or (dung cong)) van tuan ban*.