Perhaps you should try some spelling variations:
ban hanh » ban hang
tu cach » tu cac
ban anh » ban banh, ban danh, bang anh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
de cua » le cua, te cua, dieu cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (te sach)) ty nang x hoi. hieu ve cham soc ((ban anh) OR (ban hanh)) de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) ty nang x hoi. hieu ve cham soc ((ban anh) OR (ban hanh)) de cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (te sach)) ty nang x hoi. hieu ve cham soc ((ban anh) OR (ban hanh)) de cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ty nang x hoi. hieu ve cham soc ((ban anh) OR (ban hanh)) de cua tre*.