Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
ky hoang » huy hoang, duy hoang, ky nang
van hoe » van hoc, van hieu, van hien
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
xuc van » duc van, luc van, vuc van
hanh ve » hanh vi, hanh va, hanh kem
cua tre » cua te, cuu tre, cua triet
sai ky » sac ky
vu sai » vu hai, vu san, vu dai

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: vu sai ky hoang ((van hoe) OR (van hoa)). hieu ve cham xuc van hanh ve ((cua tre) OR (cau tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ky hoang ((van hoe) OR (van hoa)). hieu ve cham xuc van hanh ve ((cua tre) or (cau tren))~".
• Adding a wildcard symbol may retrieve word variants: vu sai ky hoang ((van hoe) OR (van hoa)). hieu ve cham xuc van hanh ve ((cua tre) or (cau tren))*.