Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
hanh cat » hanh cac, hanh luat, nhanh cay
tu sach » thu sach, su sach, te sach
van cam » van lam, van cau, van dam
cat cua » chat cua, ca cua, mat cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc va
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 sach y nang x hoi. thien ((van cam) or (van nam)) ((xuc va) or (thuc dan)) hanh cat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang x hoi. thien ((van cam) OR (van nam)) ((xuc va) OR (thuc dan)) hanh cat cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. thien ((van cam) or (van nam)) ((xuc va) or (thuc dan)) hanh cat cua tre*.