Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
thanh doi » thanh loi, thanh moi, thanh do
su triet » su viet, su tien, ve triet
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
xuc va » tuc va, luc va, xac va

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: te sac ky nang ma hoi. hieu ve cam ((xuc va) OR (duc va)) thanh doi ((cua triet) OR (su triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky nang ma hoi. hieu ve cam ((xuc va) OR (duc va)) thanh doi ((cua triet) or (su triet))~".
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ma hoi. hieu ve cam ((xuc va) OR (duc va)) thanh doi ((cua triet) or (su triet))*.