Perhaps you should try some spelling variations:
"newsvendor problemas del" » "newsvendor problem del", "newsvendor problems del", "newsvendor problemas con"
"newsvendor problemas de" » "newsvendor problem de", "newsvendor problems de"
"newsvendor problemas en" » "newsvendor problem en", "newsvendor problems en"
"newsvendor problema del" » "newsvendor problem del", "newsvendor problema de", "newsvendor problema 18", "newsvendor problema 20"

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: (((((("newsvendor problemas del") OR ("newsvendor problemas de"))) or ("newsvendor problema del"))) or ("newsvendor problemas en"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("newsvendor problemas del") OR ("newsvendor problemas de"))) OR ("newsvendor problema del"))) OR ("newsvendor problemas en")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"newsvendor problemas del\") OR (\"newsvendor problemas de\"))) or (\"newsvendor problema del\"))) or (\"newsvendor problemas en\"))".
• Removing quotes may allow a broader search: (((((( newsvendor problemas del ) OR ( newsvendor problemas de ))) or ( newsvendor problema del ))) or ( newsvendor problemas en )).
• Adding a wildcard symbol may retrieve word variants: (((((("newsvendor problemas del") OR ("newsvendor problemas de"))) or ("newsvendor problema del"))) or ("newsvendor problemas en"))*.

One or more facet filters have been applied to this search. If you remove filters, you may retrieve more results. Remove all filters from this search.