Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
viec ban » viec lam, viec tai
dinh doi » dinh moi, tinh doi, dinh toi
so sach » so sanh, bo sach, co sach
va dinh » van dinh, va kinh, va tinh
viec va » vien va, viec cua, viec lam
sach ty » sach y, sach tu, sach thu
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
su viet » so viet

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 ty nang xa hoi. hieu ((viec ban) or (viec va)) nuoc va dinh doi ((cua triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. hieu ((viec ban) OR (viec va)) nuoc va dinh doi ((cua triet) OR (su viet)).
• Adding a wildcard symbol may retrieve word variants: so sach ty nang xa hoi. hieu ((viec ban) or (viec va)) nuoc va dinh doi ((cua triet) or (su viet))*.