Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
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 » vuc nang, vu dang, v nang
va nang » van nang, da nang, cam nang
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
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 ((vu nang) or (va nang)) xa hoi. hieu va chat xuc van hanh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((vu nang) OR (va nang)) xa hoi. hieu va chat xuc van hanh vi su triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ((vu nang) or (va nang)) xa hoi. hieu va chat xuc van hanh vi su triet*.