Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
va hanh » van hanh, va thanh, va danh
hanh em » hanh kem, anh em, hanh lam
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
van dau » van dao, phan dau
van hau » van ha, van hai, van hac
nang xa » nang x, lang xa, nang ma
tuc va » thuc va, truc va, tuc xa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((van hau) OR (van dau)) tuc va hanh em ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((van hau) or (van dau)) tuc va hanh em ((cua triet) OR (su triet))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((van hau) or (van dau)) tuc va hanh em ((cua triet) OR (su triet))*.