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