Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, thanh ve
te sach » toc sach
cam tac » cac tac, cam tay, can tac
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
ly nang » ky nang, ly hang, ly vang
ty hang » ly hang, ty xang, thi hang
ve cam » ve cham, ve cac, va cam
vi cuu » vi luu, vinh cuu
x hoi » xa hoi, o hoi, x ho
o hoc » co hoc, mo hoc, so hoc
gia » giao

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 ((ly nang) or (ty hang)) ((x hoi) or (o hoc)). hieu ve cam tac gia thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ly nang) OR (ty hang)) ((x hoi) OR (o hoc)). hieu ve cam tac gia thanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((ly nang) or (ty hang)) ((x hoi) or (o hoc)). hieu ve cam tac gia thanh vi cuu tre*.