Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuoc sinh
thuat sach » thuat lanh, thuat san
nam thuc » nam thuoc, am thuc, nam thu
danh vai » danh sai, danh va, doanh van
ty nang » ky nang, ty xang, ty hang
thuc va » thuc vat, thuc dan, thuc day
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
va nam » van nam, ha nam, va nay
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: ((thuoc sach) or (thuat sach)) ty nang x hoi. lieu va nam thuc va danh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sach) OR (thuat sach)) ty nang x hoi. lieu va nam thuc va danh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (thuat sach)) ty nang x hoi. lieu va nam thuc va danh vai cua tre*.