Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
ve triet » va trien, su triet
tai hang » thai hang, thi hang, tai lang
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
su sach » vu sach
hieu va » lieu va, hieu qua
hang xa » hoang xa, hang va, hang ca
so sach » so sanh, bo sach, co sach
va cam » va cham, va cac, va cao

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: ((su sach) OR (so sach)) tai hang xa hoi. hieu va cam xuc ban thanh vai ((cua tre) OR (ve triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (so sach)) tai hang xa hoi. hieu va cam xuc ban thanh vai ((cua tre) or (ve triet))~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (so sach)) tai hang xa hoi. hieu va cam xuc ban thanh vai ((cua tre) or (ve triet))*.