Perhaps you should try some spelling variations:
vuc nang » cuc nang, chuc nang, van nang
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
vu nang » va nang, vu dang, v nang
hieu va » lieu va, hieu qua
va cham » va chat, va tham
xuc van » duc van, luc van, vuc van
vi su » va su, ve su, ki 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 ((vuc nang) OR (vu nang)) xa hoi. hieu va cham xuc van hanh vi su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((vuc nang) OR (vu nang)) xa hoi. hieu va cham xuc van hanh vi su triet".
• Adding a wildcard symbol may retrieve word variants: tu sach ((vuc nang) OR (vu nang)) xa hoi. hieu va cham xuc van hanh vi su triet*.