Perhaps you should try some spelling variations:
nhung phuong » dung phuong, nhu phuong, truong phuong
nhung tuong » nhung huong, hung vuong, nhung cong
chieu sach » chinh sach, chiet tach, chieu sang
hanh tong » hanh trong, han tong, hanh dong
tong quan » thong quan, tong luan, luong quan
chinh cau » chinh chau, chinh ca, chinh can
ho chieu » theo chieu, hoc thieu, doi chieu
chan cau » phan cau, can cau, nhanh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh tong quan ((nhung tuong) or (nhung phuong)) dan ((chan cau) or (chinh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh tong quan ((nhung tuong) OR (nhung phuong)) dan ((chan cau) OR (chinh cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh tong quan ((nhung tuong) or (nhung phuong)) dan ((chan cau) or (chinh cau))*.