Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
dan hoc » van hoc, dan toc, dai hoc
hieu vu » hieu va, hieu ve, hieu su
vai cua » dai cua, hai cua, lai cua
dan hoi » dai hoi, van hoi, dang khoi
va hanh » van hanh, va thanh, va danh
sac kho » cac khoi, dac khoa, cac khoa
xuc va » duc va, tuc va, luc va
vu cam » vu cham, vu cao, va cam
cua te » cua tu

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: tu ((sac kho) OR (suc khoe)) tang ((dan hoi) OR (dan hoc)). hieu vu cam xuc va hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac kho) or (suc khoe)) tang ((dan hoi) OR (dan hoc)). hieu vu cam xuc va hanh vai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu ((sac kho) or (suc khoe)) tang ((dan hoi) OR (dan hoc)). hieu vu cam xuc va hanh vai cua te*.