Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
chat xuc » chat huu, cam xuc, chao xu
cua tre » cua te, cua triet, dua tren
xuc van » duc van, luc van, xuc ban
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
su sach » so sach, vu sach
cuu tre » cau tren, cau treo
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) or (su sach)) ky nang x hoi. hieu ve chat xuc van hanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (su sach)) ky nang x hoi. hieu ve chat xuc van hanh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (su sach)) ky nang x hoi. hieu ve chat xuc van hanh vi ((cua tre) or (cuu tre))*.