Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
nhung phuong » dung phuong, nhu phuong, bang phuong
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
trang cua » tranh cua, tang cua, trung cua
ho chieu » theo chieu, hoc thieu, doi chieu
phan cau » phan dau, phan cac, phan tu
khan ap » khan cap, han ap, khan dam

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: ho chieu sach - hanh trang cua ((nhung phuong) OR (truong phuong)) dan ((phan cau) OR (khan ap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trang cua ((nhung phuong) OR (truong phuong)) dan ((phan cau) or (khan ap))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trang cua ((nhung phuong) OR (truong phuong)) dan ((phan cau) or (khan ap))*.