Perhaps you should try some spelling variations:
cua tre » cua te, cuu tre, cua triet
anh tri » anh thi, anh tai, thanh tri
van anh » van thanh, tuan anh, van minh
luc van » luoc van, luu van, duc van
cac luc » cau luc, coc luc, cac nuoc
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
tu bat » tu dat
nang o » nang co, nang ho, nang ro
tu ban » thu ban, te ban
tu can » tu cac, thu canh
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 can) or (tu ban)))) ky nang o lai. hieu ve cac luc van anh tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bat) OR (((tu can) OR (tu ban)))) ky nang o lai. hieu ve cac luc van anh tri cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu bat) or (((tu can) or (tu ban)))) ky nang o lai. hieu ve cac luc van anh tri cua tre*.