Perhaps you should try some spelling variations:
nang noi » nang doc
tham xuc » tham nuoc, tham thuc, pham duc
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
anh dat » thanh dat, lanh dao, dinh dat
dat cua » dai cua, day cua, mat cua
cua tre » cua te, cuu tre, cua triet
nang o » nang co, nang ho, nang ro

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 o) or (nang noi)) hai. hieu va tham xuc ban anh dat cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang o) OR (nang noi)) hai. hieu va tham xuc ban anh dat cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang o) or (nang noi)) hai. hieu va tham xuc ban anh dat cua tre*.