Search algorithm...problem.

Hello there,
i have some problem here...
I need to make an dictionary program for my friend with Borland c++
builder, i have this structure:

struct Tdict {
   AnsiString word;
   AnsiString transl;
  };
  Tdict *database ;

All is ok, but i need to create fast&optimized search BY TYPING.

Please help me. I'm open to all suggestions and etc..