Perhaps you should try some spelling variations:
"valoracion multiple cada de las america" » "valoracion multiple cada de la america" (Expand Search), "valoracion multiple cada de los america" (Expand Search)
"valoracion multiples casa de las americano" » "valoracion multiples casa de la americano" (Expand Search), "valoracion multiples casa de los americano" (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("valoracion multiple cada de las america") OR ("valoracion multiples casa de las americano"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"valoracion multiple cada de las america\") OR (\"valoracion multiples casa de las americano\"))".
• Removing quotes may allow a broader search: (( valoracion multiple cada de las america ) OR ( valoracion multiples casa de las americano )).
• Adding a wildcard symbol may retrieve word variants: (("valoracion multiple cada de las america") OR ("valoracion multiples casa de las americano"))*.