Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
so sanh » do sanh
van cam » van nam, van lam, van cau
va hanh » van hanh, va thanh, va danh
cu tren » dua tren
tu tren » tu truyen, tu tieng, tu trong
sanh y » sinh y, anh y, hanh y
y nang » ky nang, ly nang, v nang
xuc va » duc va, tuc va, luc 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: so sanh y nang x hoi. hieu van cam xuc va hanh vi ((cu tren) OR (tu tren))~.
• Adding a wildcard symbol may retrieve word variants: so sanh y nang x hoi. hieu van cam xuc va hanh vi ((cu tren) or (tu tren))*.