Perhaps you should try some spelling variations:
nhu phuong » thu phuong, nhung phuong, thi phuong
phuong dan » phuong danh, phuong doan, huong dan
doi chieu » doc hieu, doi chi, mot chieu
thanh bai » thanh tai, thanh oai, thanh bac
thanh hai » thanh phan, thanh hoa, thanh san
ho chieu » theo chieu, hoc thieu, mot chieu
luan nhu » luan nha, luan ngu, luan thu
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - ((thanh bai) OR (thanh hai)) luan nhu phuong dan than tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - ((thanh bai) or (thanh hai)) luan nhu phuong dan than tap~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - ((thanh bai) or (thanh hai)) luan nhu phuong dan than tap*.