Perhaps you should try some spelling variations:
thanh ca » thanh cha, thanh cac, thanh ha
va thanh » gia thanh, ban thanh, va tinh
nang van » dang van, tang van, lang van
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va
cac luc » cau luc, coc luc, cac nuoc
ca cua » co cua
luc va » duc va, tuc va, loc va
vu sac » vu sach, vu san, vu cac
va sac » va cac, va suc, va san

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu sac) or (va sac)) ky nang van hoa. ((hieu va) OR (hieu qua)) cac luc va thanh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu sac) OR (va sac)) ky nang van hoa. ((hieu va) OR (hieu qua)) cac luc va thanh ca cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sac) or (va sac)) ky nang van hoa. ((hieu va) OR (hieu qua)) cac luc va thanh ca cua tre*".