Perhaps you should try some spelling variations:
vuc nang » cuc nang, vu nang, chuc nang
cua dang » cua cong, cua ban
van hanh » van thanh, ban hanh, van anh
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
hanh ky » hanh kem
va cam » va cham, va cac, va cao

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 (cua dang)) mai hoi. hieu va cam xuc van hanh ky su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((vuc nang) OR (cua dang)) mai hoi. hieu va cam xuc van hanh ky su triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ((vuc nang) or (cua dang)) mai hoi. hieu va cam xuc van hanh ky su triet*.