Perhaps you should try some spelling variations:
cau triet » cau trieu, su triet, cua triet
hang san » hoang san, hang ban, hanh san
ban hang » ngan hang
cham xuc » cam xuc, chat xuc, cham soc
toc sach » hoc sach, doc sach, thuoc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ky nang xa hoi. hieu ve cham xuc ban hang san ((cua tre) OR (cau triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ky nang xa hoi. hieu ve cham xuc ban hang san ((cua tre) or (cau triet))~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ky nang xa hoi. hieu ve cham xuc ban hang san ((cua tre) or (cau triet))*.