Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
vuc nang » cuc nang, chuc nang, van nang
van hanh » van thanh, ban hanh, van anh
cham luc » cham soc, nhan luc, cham cuu
hieu va » lieu va, hieu qua
va cham » va chat, va tham
luc van » luoc van, luu van, duc van
vu nang » va nang, vu dang, v nang
hanh ki » hanh vi, hanh ky, hanh kien
tu sach » thu sach, su sach, te sach
ma hoi » mai hoi, xa hoi, ma hoa
ki su » ky su

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((vu nang) OR (vuc nang)) ma hoi. hieu va cham luc van hanh ki su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((vu nang) OR (vuc nang)) ma hoi. hieu va cham luc van hanh ki su triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((vu nang) OR (vuc nang)) ma hoi. hieu va cham luc van hanh ki su triet*.