Perhaps you should try some spelling variations:
thuc ban » thuoc ban, thuc dan, thu ban
ban hanh » ban hang
hanh tai » thanh tai, hang tai, han tai
te sach » toc sach
nang xa » nang x, lang xa, nang ma
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cao » va cac, va dao, va bao
va co » vo co

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang xa hoi. lieu ((va cao) OR (va co)) thuc ban hanh tai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang xa hoi. lieu ((va cao) OR (va co)) thuc ban hanh tai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang xa hoi. lieu ((va cao) OR (va co)) thuc ban hanh tai cua tre*.