Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu van » hieu va, thien van, lieu va
nhan tai » hang tai, van tai, toan tai
te sach » toc sach
van cau » van dau, van hau, van chat
cau xuc » cam xuc, cau luc, cau truc
va nhan » van nhan, ca nhan, va phan
tai cua » thai cua, tai cuc, tri cua
xuc va » duc va, tuc va, luc va
cua te » cua tu
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: ((te sach) or (thu sach)) ky nang x hoi. hieu van cau xuc va nhan tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) ky nang x hoi. hieu van cau xuc va nhan tai cua te.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) ky nang x hoi. hieu van cau xuc va nhan tai cua te*.