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

• Performing a fuzzy search may retrieve terms with similar spellings: Intervenções humanitárias e estados falidos~.
• Adding a wildcard symbol may retrieve word variants: Intervenções humanitárias e estados falidos*.

Perhaps you should try some spelling variations:
intervencoes humanitarias » intervenciones humanitarias (Expand Search), intervencion humanitaria (Expand Search), intervencao humanitaria (Expand Search)
estados falidos » estados fallidos (Expand Search), estado falido (Expand Search), estados unidos (Expand Search)
humanitarias e » humanitarias en (Expand Search), humanitarias y (Expand Search), humanitarias un (Expand Search)
e estados » de estados (Expand Search), en estados (Expand Search), y estados (Expand Search)