Perhaps you should try some spelling variations:
bieu cua » dieu cua, hieu cua, ben cua
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, ban hanh
cac xuc » cam xuc, cac nuoc, chat xuc
nang ma » tang ma, sang ma, nang cao
ca dan » cac dan, ca dao
tu san » thu san, tu ban, tu can
ca cua » co cua
tu bai » tu ban, tu bat, te bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bai) OR (tu san)) ky nang ma hoa. bieu cua cac xuc ((ca dan) OR (va hanh)) ca cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu bai) OR (tu san)) ky nang ma hoa. bieu cua cac xuc ((ca dan) OR (va hanh)) ca cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu bai) OR (tu san)) ky nang ma hoa. bieu cua cac xuc ((ca dan) OR (va hanh)) ca cua tre*.