Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thanh ban » thanh san, thanh van, thanh bac
hieu van » thien van, lieu va, hieu ve
va thanh » gia thanh, ban thanh, va tinh
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
ban cua » ban quan
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
tuc va » thuc va, truc va, tuc xa
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: thuat sach y nang x hoi. ((hieu van) OR (hieu va)) cam tuc va thanh ban cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang x hoi. ((hieu van) OR (hieu va)) cam tuc va thanh ban cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang x hoi. ((hieu van) OR (hieu va)) cam tuc va thanh ban cua tre*.