Perhaps you should try some spelling variations:
cong phuong » cong thuong, cong huong, dong phuong
phuong tran » huong tran, phuong trinh, phuong thao
chieu sach » chinh sach, chieu sang, chieu xanh
hanh tang » hanh trang, anh tang, hanh mang
tran tuan » tran xuan, tran quang, tran thanh
tang cua » mang cua, hang cua, tang luan
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sach) OR (chiet tach)) - hanh tang cua cong phuong tran tuan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) OR (chiet tach)) - hanh tang cua cong phuong tran tuan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) OR (chiet tach)) - hanh tang cua cong phuong tran tuan cau*.