Perhaps you should try some spelling variations:
thanh soc » thanh son, nhanh soc, thanh hoc
van thanh » ban thanh, van tuan
nang dai » nang dau, nang tai, lang dai
hieu van » hieu va, thien van, lieu va
van hanh » ban hanh, van anh, van ban
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
vu sach » vu bach, su sach, vu khach
dai hai » dai han, dai hoi, dai tai
soc van » hoc van, oc van, sac van
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua

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: ((te sach) OR (vu sach)) y nang dai hai. hieu van thanh soc van hanh vi cua viet~.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (vu sach)) y nang dai hai. hieu van thanh soc van hanh vi cua viet*.