Perhaps you should try some spelling variations:
va trien » va truyen, va thiet, va tuyen
nhan luc » nang luc
su triet » su viet, su tien
van hanh » van thanh, ban hanh, van anh
hieu vu » hieu va, hieu ve, hieu su
vu nhan » cu nhan, vu ngan, tu nhan
luc van » luoc van, luu van, duc van
hanh ve » hanh vi, hanh va, hanh kem
nang ma » tang ma, sang ma, nang cao
su sach » so sach, vu sach
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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: su sach y nang ma hoi. hieu vu nhan luc van hanh ve ((su triet) OR (((ve triet) OR (va trien))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang ma hoi. hieu vu nhan luc van hanh ve ((su triet) or (((ve triet) OR (va trien))))~".
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoi. hieu vu nhan luc van hanh ve ((su triet) or (((ve triet) OR (va trien))))*.