Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
thai cua » tai cuc, tri cua, dai cua
than cua » nhan cua, ban cua, gian cua
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
nang o » nang co, nang ho, nang ro
o lai » o lao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky nang o lai. hieu va cac xuc van hanh ((thai cua) or (than cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang o lai. hieu va cac xuc van hanh ((thai cua) OR (than cua)) tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang o lai. hieu va cac xuc van hanh ((thai cua) or (than cua)) tre*.