Perhaps you should try some spelling variations:
thuc cham » thuc pham, phuc cham, thuc chan
hieu thuc » hieu thuoc, hien thuc, hieu tuc
quoc ban » quoc bao, quoc lan, quoc quan
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
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 sach y nang ma hoi. hieu thuc cham ((((xuc van) or (quoc ban))) or (duc tan)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ma hoi. hieu thuc cham ((((xuc van) OR (quoc ban))) OR (duc tan)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ma hoi. hieu thuc cham ((((xuc van) or (quoc ban))) or (duc tan)) hanh vi cua tre*.