Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
so sanh » do sanh
bo sach » co sach, hoc sach
nang xa » nang x, lang xa, nang ma
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
va nam » van nam, ha nam, va nay
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cac) or (((so sanh) or (bo sach)))) ky nang xa hoi. lieu va nam thuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (((so sanh) OR (bo sach)))) ky nang xa hoi. lieu va nam thuc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (((so sanh) or (bo sach)))) ky nang xa hoi. lieu va nam thuc va hanh vi cua tre*.