Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
sach dao » lanh dao
van hanh » van thanh, ban hanh, van anh
sach dat » sach danh, sach bai, sach xa
xuc van » duc van, luc van, vuc van
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
ve cac » va cac, vien cac
x hoi » xa hoi, o hoi, x ho
kien » bien, vien, tien

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach dat) or (sach dao)) nang x hoi. hieu ve cac xuc van hanh vi ((su triet) or (su kien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach dat) OR (sach dao)) nang x hoi. hieu ve cac xuc van hanh vi ((su triet) OR (su kien)).
• Adding a wildcard symbol may retrieve word variants: tu ((sach dat) or (sach dao)) nang x hoi. hieu ve cac xuc van hanh vi ((su triet) or (su kien))*.