Perhaps you should try some spelling variations:
kha nang » phap nang, ky nang, ki nang
tu sach » thu sach, su sach, te sach
nang vi » hang vi, nang ji, nang si
vu nang » vuc nang, va nang, vu dang
hieu ve » hieu va, hieu van
luc kha » luc khac, luc ha, luc nhat
cau luc » cau truc, cau phuc
vi cua » vai cua, di cua
cua cu » cua chu, cua cau, cua su
v nang » va nang, van nang, voi nang

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: tu sach ((v nang) OR (vu nang)) xa hoi. ((hieu ve) OR (hieu qua)) cau luc kha nang vi cua cu~.
• Adding a wildcard symbol may retrieve word variants: tu sach ((v nang) or (vu nang)) xa hoi. ((hieu ve) or (hieu qua)) cau luc kha nang vi cua cu*.