Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
bach tuoc » sach duoc, sach nuoc
dinh tai » dinh toai, dinh tri, dinh thi
tai cua » thai cua, tai cuc, tri cua
va dinh » van dinh, va kinh, va tinh
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
bac tuc » bac thua
nang xa » nang x, lang xa, nang ma
bac tu » ban tu, tac tu, cac tu

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 nang xa hoi. hieu qua ((((bac tuc) or (bac tu))) or (bach tuoc)) va dinh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky nang xa hoi. hieu qua ((((bac tuc) OR (bac tu))) OR (bach tuoc)) va dinh tai cua triet.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang xa hoi. hieu qua ((((bac tuc) or (bac tu))) or (bach tuoc)) va dinh tai cua triet*.