Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
phuong danh » phuong anh, phuong dinh, phuong hanh
doi chieu » doi chi, mot chieu, ho chieu
hang tang » hoang trang, cang thang, hung thang
hang hang » nang hang, cang thang, hung thang
luan dung » lan dung, luan dong, luan hung
danh than » danh thanh, danh thang, danh nhan
doc hieu » toc thieu, hoc thieu, hoc hien
than cau » toan cau, phan cau, than cap

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 (doc hieu)) sach - ((hang tang) or (hang hang)) luan dung phuong danh than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doc hieu)) sach - ((hang tang) OR (hang hang)) luan dung phuong danh than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) sach - ((hang tang) or (hang hang)) luan dung phuong danh than cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) sach - ((hang tang) or (hang hang)) luan dung phuong danh than cau*.