Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
cua triet » cua viet, su triet
viec tai » vien tai, lieu tai, viec lam
tai nuoc » tai quoc, thi nuoc, tham nuoc
dinh moi » dinh so, dinh tri, dinh thi
va triet » va thiet, va trien, ve triet
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va dinh » van dinh, va kinh, va tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky lang xa hoi. hieu viec tai nuoc va dinh moi ((cua triet) OR (va triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky lang xa hoi. hieu viec tai nuoc va dinh moi ((cua triet) OR (va triet))".
• Adding a wildcard symbol may retrieve word variants: so sach ky lang xa hoi. hieu viec tai nuoc va dinh moi ((cua triet) OR (va triet))*.