It means, "I don't want you to buy things." Instead of 'you' in the question, it should be tú.
'Hay las cosas....etc = There are things I want you to do
"Je n'ai pas compris" translates as "I did not understand" in English.
"Quiero" translates to "I want" in English.
Las Cosas Pequenas means '' The Small Things''
many things
Quiero means "I want"
I want
"Quiero saber" in English means "I want to know."
"Si te quiero" in English translates to "I love you."
"Quiero presentarte" in English means "I want to introduce you."
quiero algun gatito = I want a kitty
Te quiero comer = I want you to eat.