Perhaps you should try some spelling variations:
hanh than » hanh han, hanh nhan, hanh phan
than cua » nhan cua, thai cua, ban cua
cua tre » cua te, cuu tre, cua triet
luc van » luoc van, luu van, duc van
hieu ve » hieu va, hieu van
xuc van » duc van, vuc van, xuc ban
ve cac » va cac, vien cac
nang o » nang co, nang ho, nang ro
tu san » thu san, tu ban, tu can
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) or (tu san)) ky nang o lai. hieu ve cac ((xuc van) or (luc van)) hanh than cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cac) OR (tu san)) ky nang o lai. hieu ve cac ((xuc van) OR (luc van)) hanh than cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cac) or (tu san)) ky nang o lai. hieu ve cac ((xuc van) or (luc van)) hanh than cua tre*.