Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
dang phuong » bang phuong, dan phuong, dang thuong
doi chieu » doc hieu, ho chieu, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
dung cua » dung luan, dung cho
doi chi » doi khi
van van » tan van, san van, van vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doi chi)) sach - hanh dung cua ((dang phuong) OR (dung phuong)) van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) sach - hanh dung cua ((dang phuong) OR (dung phuong)) van van ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (doi chi)) sach - hanh dung cua ((dang phuong) OR (dung phuong)) van van ban*".