Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » tu sach, thuat sach, thuoc sach
cham sac » cham soc, pham sach, cap sac
dua tren » dung tren
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
van anh » van thanh, tuan anh, van minh
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang xa hoi. lieu va cham sac ((van anh) or (ban thanh)) vi ((cuu tre) or (dua tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang xa hoi. lieu va cham sac ((van anh) OR (ban thanh)) vi ((cuu tre) OR (dua tren)).
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. lieu va cham sac ((van anh) or (ban thanh)) vi ((cuu tre) or (dua tren))*.