Perhaps you should try some spelling variations:
acao individual » accion individual (Expand Search), lo individual (Expand Search), ahorro individual (Expand Search)
conversao da » convencao da (Expand Search), conversion de (Expand Search), convencao das (Expand Search)
concessao da » concessao de (Expand Search), concepcao de (Expand Search), convencao da (Expand Search)
individual e » individual de (Expand Search), individual en (Expand Search), individual y (Expand Search)
e acao » de acao (Expand Search), a acao (Expand Search)
coletiva" » colectiva" (Expand Search), colectivas" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: ((conversao da) OR (concessao da)) acao individual e acao coletiva.