Perhaps you should try some spelling variations:
cua triet » su triet, va triet
cham luc » cham soc, nhan luc, cham cuu
dinh lai » dinh lam, dinh lap, dinh tai
cua viet » ca viet, hoa viet, cua vat
sach ky » sac ky, sach ty, sach kem
va cham » va chat, va tham
va dinh » van dinh, va kinh, va tinh
luc va » duc va, tuc va, loc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((sach ky) or (sach y)) nang x hoi. lieu va cham luc va dinh lai ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach ky) OR (sach y)) nang x hoi. lieu va cham luc va dinh lai ((cua triet) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: toc ((sach ky) or (sach y)) nang x hoi. lieu va cham luc va dinh lai ((cua triet) or (cua viet))*.