Perhaps you should try some spelling variations:
hanh vai » hanh va, hanh tai, hanh van
tu cach » tu cac
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
hieu va » lieu va, hieu qua
su sach » so sach, vu sach
nang o » nang co, nang ho, nang ro
cua cu » cua chu, cua cau, cua su
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (su sach)) ky nang o hoi. hieu va cac xuc van ((hanh vai) or (hanh vi)) cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (su sach)) ky nang o hoi. hieu va cac xuc van ((hanh vai) OR (hanh vi)) cua cu.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (su sach)) ky nang o hoi. hieu va cac xuc van ((hanh vai) or (hanh vi)) cua cu*.