Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
sach kem » hanh kem
chat luc » chat xuc, chat lua, nhan luc
nang xa » nang x, lang xa, nang ma
va chat » van chat, va phat, cao chat
va hanh » van hanh, va thanh, va danh
hanh ve » hanh vi, hanh va, hanh kem
sac ky » cac ky, sai ky
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach kem) or (sac ky)) nang xa hoi. lieu va chat luc va hanh ve ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach kem) OR (sac ky)) nang xa hoi. lieu va chat luc va hanh ve ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: su ((sach kem) or (sac ky)) nang xa hoi. lieu va chat luc va hanh ve ((cua triet) or (su triet))*.