Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
su triet » su tien, ve triet
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
va danh » va dinh, va dan, va hanh
su viet » so viet
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma

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