Perhaps you should try some spelling variations:
"contencioso administrativas" » "contencioso administrativa", "contenciosa administrativa", "contencioso administrativ"
"contencioso administrativos" » "contencioso administrativa", "contenciosa administrativa", "costos administrativos"
"contratos administrativos" » "actos administrativos", "manuales administrativos"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("contencioso administrativo") or ((("contencioso administrativas") or ((("contencioso administrativos") OR ("contratos administrativos"))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("contencioso administrativo") OR ((("contencioso administrativas") OR ((("contencioso administrativos") OR ("contratos administrativos")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"contencioso administrativo\") or (((\"contencioso administrativas\") or (((\"contencioso administrativos\") OR (\"contratos administrativos\"))))))".
• Removing quotes may allow a broader search: (( contencioso administrativo ) or ((( contencioso administrativas ) or ((( contencioso administrativos ) OR ( contratos administrativos )))))).
• Adding a wildcard symbol may retrieve word variants: (("contencioso administrativo") or ((("contencioso administrativas") or ((("contencioso administrativos") OR ("contratos administrativos"))))))*.

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.