Perhaps you should try some spelling variations:
cac tuc » cac toc, cac tu, cac tac
va dinh » van dinh, va kinh, va tinh
dinh ca » dinh cac, dinh cua, dinh cao
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
me hoi » le hoi
tuc va » thuc va, truc va, tuc xa
ca cua » co cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang ((me hoi) or (ma hoa)). ((lieu va) or (hieu qua)) cac tuc va dinh ca cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang ((me hoi) OR (ma hoa)). ((lieu va) OR (hieu qua)) cac tuc va dinh ca cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang ((me hoi) or (ma hoa)). ((lieu va) or (hieu qua)) cac tuc va dinh ca cua tre*.