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