Perhaps you should try some spelling variations:
thuong binh » phuong binh
phuong tin » phuong tien, thuong tin, phuong trinh
sach nang » cach mang, sach dung, sach danh
toc sach » hoc sach, doc sach, thuoc sach
sach che » sach thue, sach nha, sach cap
nang ve » ngang ve, dang ve, hang ve
ve giai » va giai, ve giao, de giai
doan » dan, toan, soan
doanh » danh, toanh, soanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( toc sach nang ve giai doan phuong tin ) or ( te sach che my trai (doanh or danh) thuong binh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( toc sach nang ve giai doan phuong tin ) OR ( te sach che my trai (doanh OR danh) thuong binh )).
• Adding a wildcard symbol may retrieve word variants: (( toc sach nang ve giai doan phuong tin ) or ( te sach che my trai (doanh or danh) thuong binh ))*.