Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
hieu sach » chieu sach, hieu cach, dien sach
trinh cua » tinh cua, trinh quan, trinh luan
phuong ha » phuong hoa, phuong hai, phuong nha
doc hieu » toc thieu, hoc thieu, hoc hien
quan cau » quang cao, toan cau, quan ha
ha quan » hai quan, nha quan, hoa quan

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 ((trinh cua) OR (trinh luat)) nhung phuong ha quan cau~.
• Adding a wildcard symbol may retrieve word variants: doc hieu sach - hanh ((trinh cua) or (trinh luat)) nhung phuong ha quan cau*.