Perhaps you should try some spelling variations:
"contrato para anente" » "contrato a anente" (Expand Search), "contrato para agentes" (Expand Search), "contrato para atender" (Expand Search)
"contrato perm anente" » "contrato pela anente" (Expand Search), "contrato de anente" (Expand Search), "contrato en anente" (Expand Search), "contrato permanente y" (Expand Search), "contrato _ permanente" (Expand Search), "contrato y permanente" (Expand Search)
"contrato por anente" » "contrato de anente" (Expand Search), "contrato en anente" (Expand Search), "contrato por agentes" (Expand Search)
"contrato y anente" » "contrato de anente" (Expand Search), "contrato en anente" (Expand Search), "contrato y agente" (Expand Search), "contrato y ante" (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: (((("contrato perm anente") OR ((("contrato por anente") OR ("contrato y anente"))))) OR ("contrato para anente"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"contrato perm anente\") OR (((\"contrato por anente\") OR (\"contrato y anente\"))))) OR (\"contrato para anente\"))".
• Removing quotes may allow a broader search: (((( contrato perm anente ) OR ((( contrato por anente ) OR ( contrato y anente ))))) OR ( contrato para anente )).
• Adding a wildcard symbol may retrieve word variants: (((("contrato perm anente") OR ((("contrato por anente") OR ("contrato y anente"))))) OR ("contrato para anente"))*.