Perhaps you should try some spelling variations:
cong truong » cuong truong, cong thuong, cong trong
phuong binh » phuong trinh, phuong anh, chuong trinh
truong minh » truong kinh, thong minh, truong thanh
thuoc sach » hoc sach, nuoc sach, thuat sach
giai cong » gia cong, giao cong, giai phong
sach cua » mach cua, cach cua, sac cua
sach han » sach tham, sach danh, sach nang
te sach » toc sach
du giai » de giai, bu giai, nu giai
ke giai » kem giai, de giai, ke giao
cua du » cua duc, cua ndu, cua su
han ke » hang ke, phan ke, ban ke
doan » doanh, dan, toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te sach cua du giai doan phuong binh ) OR ( thuoc sach han ke giai cong truong minh ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( te sach cua du giai doan phuong binh ) OR ( thuoc sach han ke giai cong truong minh ))".
• Adding a wildcard symbol may retrieve word variants: (( te sach cua du giai doan phuong binh ) OR ( thuoc sach han ke giai cong truong minh ))*.