Perhaps you should try some spelling variations:
"politicas publicas y politicas OR las politicas empresariales" » "politicas publicas y politica OR las politicas empresariales" (Expand Search), "politicas publicas de politicas OR las politicas empresariales" (Expand Search)
"politicas publicas y politicas OR las politicas empresarial" » "politicas publicas y politica OR las politicas empresarial" (Expand Search), "politicas publicas de politicas OR las politicas empresarial" (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: (("politicas publicas ((y politicas) OR (las politicas)) empresariales") OR ("politicas publicas ((y politicas) OR (las politicas)) empresarial"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"politicas publicas ((y politicas) OR (las politicas)) empresariales\") OR (\"politicas publicas ((y politicas) OR (las politicas)) empresarial\"))".
• Removing quotes may allow a broader search: (( politicas publicas ((y politicas) OR (las politicas)) empresariales ) OR ( politicas publicas ((y politicas) OR (las politicas)) empresarial )).
• Adding a wildcard symbol may retrieve word variants: (("politicas publicas ((y politicas) OR (las politicas)) empresariales") OR ("politicas publicas ((y politicas) OR (las politicas)) empresarial"))*.