Perhaps you should try some spelling variations:
"investigacion dogmaticas del servicio" » "investigacion dogmatica del servicio", "investigacion formativa del servicio", "investigacion logistica del servicio", "investigacion dogmatico del servicio", "investigacion dogmaticos de servicio"
"investigacion creativa del servicio" » "investigacion formativa del servicio", "investigacion operativa del servicio", "investigacion narrativa del servicio", "investigacion creativa de servicio", "investigacion creativo del servicio", "investigacion creativos del servicio"
"investigacion objetivo del servicio" » "investigacion objetivos del servicio", "investigacion objetivo de servicio", "investigacion objetivo 2 servicio"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("investigacion objetivo del servicio") or ((("investigacion dogmaticas del servicio") or ("investigacion creativa del servicio"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("investigacion objetivo del servicio") OR ((("investigacion dogmaticas del servicio") OR ("investigacion creativa del servicio")))).
• Removing quotes may allow a broader search: (( investigacion objetivo del servicio ) or ((( investigacion dogmaticas del servicio ) or ( investigacion creativa del servicio )))).
• Adding a wildcard symbol may retrieve word variants: (("investigacion objetivo del servicio") or ((("investigacion dogmaticas del servicio") or ("investigacion creativa del servicio"))))*.