Perhaps you should try some spelling variations:
cong phuong » cong thuong, cong huong, dong phuong
phuong tien » phuong trinh
gioi cong » gioi dong, gioi song, nguoi cong
tu sach » thu sach, su sach, tu cach
te sach » toc sach
ve gioi » ve giai, vien gioi, van gioi
cha ve » cha me, ca ve, pha ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) cha ve gioi cong phuong tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) cha ve gioi cong phuong tien.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) cha ve gioi cong phuong tien*.