Perhaps you should try some spelling variations:
thanh than » thanh thanh, thanh thang, thanh toan
van thanh » ban thanh, van tuan
than cua » nhan cua, thai cua, ban cua
hieu ve » hieu va, hieu van
luc van » luoc van, luu van, duc van
cac luc » cau luc, coc luc, cac nuoc
cua tre » cua te, cuu tre, cua triet
nang ho » nang hoc, nang co, tang ho
ve cac » va cac, vien cac
nang o » nang co, nang ro, nang x
tu san » thu san, tu ban, tu can
tu bat » tu ban, tu dat

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) OR (nang ho)) lai. hieu ve cac luc van thanh than cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bat) OR (tu san)) ky ((nang o) OR (nang ho)) lai. hieu ve cac luc van thanh than cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu bat) or (tu san)) ky ((nang o) OR (nang ho)) lai. hieu ve cac luc van thanh than cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu bat) or (tu san)) ky ((nang o) OR (nang ho)) lai. hieu ve cac luc van thanh than cua tre*.