Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
chat xuc » chat huu, cam xuc, chao xu
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va kinh » qua kinh
va tinh » may tinh
lua tre » cua tre, luy tre, dua tren
v nang » va nang, vu nang, van nang
y nang » ky nang, ly nang, may nang
vi lua » vi luu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((y nang) OR (v nang)) ma hoa. hieu ve chat xuc ((va kinh) OR (va tinh)) vi lua tre~.
• Adding a wildcard symbol may retrieve word variants: toc sach ((y nang) or (v nang)) ma hoa. hieu ve chat xuc ((va kinh) or (va tinh)) vi lua tre*.