Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh hai » thanh phan, thanh hoa, thanh san
cua triet » cua viet, su triet, va triet
vu sach » vu bach, su sach, vu khach
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
soc ban » hoc ban, coc ban, so ban
cua tre » cua te, cuu tre, dua tren

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach _ lang xa hoi. hieu va cham soc ban thanh hai ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach _ lang xa hoi. hieu va cham soc ban thanh hai ((cua tre) OR (cua triet)).
• Adding a wildcard symbol may retrieve word variants: vu sach _ lang xa hoi. hieu va cham soc ban thanh hai ((cua tre) or (cua triet))*.