Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
hanh tri » thanh tri, hanh trinh, hanh triet
cua tre » cua te, cuu tre, cua triet
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, vuc van
tu bat » tu ban, tu dat
nang o » nang co, nang ho, nang ro
tu san » thu san, tu ban, tu can
ve cac » va cac, vien cac
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 bat) or (tu san)) ky nang o lai. hieu ve cac xuc van ((hanh tri) OR (hanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bat) OR (tu san)) ky nang o lai. hieu ve cac xuc van ((hanh tri) OR (hanh tai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu bat) or (tu san)) ky nang o lai. hieu ve cac xuc van ((hanh tri) OR (hanh tai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu bat) or (tu san)) ky nang o lai. hieu ve cac xuc van ((hanh tri) OR (hanh tai)) cua tre*.