Well, given that the blank requires 2 words (dos palabras), it cannot be encuentre. We need something which has the same meaning as busco (to look for), which is estoy buscando.
Yo estoy buscando la maleta perdida means the same as Yo busco la maleta perdida. Both of these sentences mean - I'm looking for the lost luggage.
"Cual es la fecha de hoy" in english mean "What is today's date"
D: Él Raimondo ese de México. Él tiene un hermano
Yo creo que es "María y tu pedís".
