Perhaps you should try some spelling variations:
chieu ke » hieu ky, hieu ve, hieu kem
hieu ke » hieu kem, hieu ky, hieu ve
cau luc » cau truc, cau phuc
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
te cac » tu cac, ve cac, te cao
luc va » duc va, tuc va, loc va
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky nang x hoi. ((hieu ke) OR (chieu ke)) cau luc va hanh vi ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky nang x hoi. ((hieu ke) OR (chieu ke)) cau luc va hanh vi ((cua tre) or (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: te cac ky nang x hoi. ((hieu ke) OR (chieu ke)) cau luc va hanh vi ((cua tre) or (cuu tre))*.