Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hanh truong » hanh trong, anh truong, manh truong
truong tham » truong ham, tuong tham, truong thanh
nhung dung » phuong dung, ung dung, thong dung
hieu sach » chieu sach, hieu cach, dien sach
doc hieu » toc thieu, hoc thieu, hoc hien
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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: doc hieu sach - hanh truong tham ((nhung dung) OR (nhung phuong)) dan than cau~.
• Adding a wildcard symbol may retrieve word variants: doc hieu sach - hanh truong tham ((nhung dung) or (nhung phuong)) dan than cau*.