Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
phuong loan » phuong lan, huong loan, phuong doan
doc chieu » doc hieu, toc thieu, hoc thieu
doi chieu » doc hieu, doi chi, ho chieu
hanh hang » thanh hang, hang hang, hanh han
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc chieu) or (doi chieu)) sach - hanh hang va dung phuong loan ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc chieu) OR (doi chieu)) sach - hanh hang va dung phuong loan ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc chieu) or (doi chieu)) sach - hanh hang va dung phuong loan ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ((doc chieu) or (doi chieu)) sach - hanh hang va dung phuong loan ((phan cau) OR (phan dau))*.