Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
cang thang » cong thanh, dang thanh
hieu sach » chieu sach, hieu cach, dien sach
bang than » bang thanh, ban than, sang than
doc hieu » toc thieu, hoc thieu, hoc hien
cong va » dong va, cong ha, cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sach - thanh cong va nhung phuong ((bang than) or (cang thang)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sach - thanh cong va nhung phuong ((bang than) OR (cang thang)) cap.
• Adding a wildcard symbol may retrieve word variants: doc hieu sach - thanh cong va nhung phuong ((bang than) or (cang thang)) cap*.