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