Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
nhan luc » nang luc
cham luc » cham soc, cham cuu, chat lua
te sach » toc sach
sach ty » sach y, sach tu, sach thu
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
cua te » cua tu
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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 sach ty nang ((x hoi) OR (o hoi)). hieu ve ((cham luc) OR (nhan luc)) va hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang ((x hoi) OR (o hoi)). hieu ve ((cham luc) or (nhan luc)) va hanh vai cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang ((x hoi) OR (o hoi)). hieu ve ((cham luc) or (nhan luc)) va hanh vai cua te*.