Perhaps you should try some spelling variations:
hieu te » hieu ve, hien te, hieu he
va hanh » van hanh, va thanh, ban hanh
cu tren » tu tren, dua tren
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
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 cu » vi su, vi xu, vi 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 sac ky nang x hoi. hieu te ban bo va hanh vi cu tren~.
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang x hoi. hieu te ban bo va hanh vi cu tren*.