Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
nang doc » nang luc
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
su triet » su viet, su tien, ve triet
nang co » nang cao, nang noi, nang hoc
hieu ve » hieu va, hieu van
ve dam » ven dam, ke dam, va dam
dam tu » nam tu, cam tu, tam tu

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 cac ky ((nang co) OR (nang doc)) hoi. hieu ve dam tu va thanh vi ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky ((nang co) OR (nang doc)) hoi. hieu ve dam tu va thanh vi ((cua triet) or (su triet))~".
• Adding a wildcard symbol may retrieve word variants: tu cac ky ((nang co) OR (nang doc)) hoi. hieu ve dam tu va thanh vi ((cua triet) or (su triet))*.