Perhaps you should try some spelling variations:
doanh thong » doanh thuong, doanh tong, doanh trong
giai doanh » trai doanh, lai doanh
phuong tin » phuong tien, thuong tin, phuong trinh
thong minh » thong tin, hoang minh
toc sach » hoc sach, doc sach, thuoc sach
sach cua » mach cua, cach cua, sac cua
ke giai » kem giai, de giai, ke giao
xe giai » de giai, ve giai, le giai
cua ke » cua ky, cua te, bua ke
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 cua ke giai doan phuong tin ) or ( te sach (nha OR nhan) xe giai doanh thong minh ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( toc sach cua ke giai doan phuong tin ) OR ( te sach (nha OR nhan) xe giai doanh thong minh ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( toc sach cua ke giai doan phuong tin ) or ( te sach (nha OR nhan) xe giai doanh thong minh ))*".