Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
xuc tuan » duc thuan, quoc tuan, xuan tuan
tuan van » luan van, tran van, tan van
cua tren » dua tren, ca tren, cua tre
van cau » van dau, van hau, van chat
cau xuc » cam xuc, cau luc, cau truc
van dai » vanh dai, van dao, van hai
y nang » ky nang, ly nang, v nang
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: thu sach y nang x hoi. hieu van cau xuc tuan van dai cua tren~.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu van cau xuc tuan van dai cua tren*.