Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
phuong dan » phuong danh, phuong doan, huong dan
hieu sach » chieu sach, hieu cach, dien sach
trung cap » truong cao, trung tam
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » doanh cua, ban cua
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan 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: doc hieu sach - hanh ((trung cap) OR (manh cua)) nhung phuong dan ((toan cau) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu sach - hanh ((trung cap) or (manh cua)) nhung phuong dan ((toan cau) OR (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: doc hieu sach - hanh ((trung cap) or (manh cua)) nhung phuong dan ((toan cau) OR (toan cao))*.