Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
hieu te » hieu ve, hien te, hieu he
va hanh » van hanh, va thanh, ban hanh
du tren » dua tren, dau tren, duc tren
te ban » te bao
ban bo » can bo, ban do, ban co
x hoi » xa hoi, o hoi, x ho
bo va » bao va, do va, so va
vi du » vi dum, va du, ve du

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky nang x hoi. hieu te ban bo va hanh vi du tren~.
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang x hoi. hieu te ban bo va hanh vi du tren*.