Perhaps you should try some spelling variations:
"feminists mexico de ciencias agricolas." » "feminism mexico de ciencias agricolas.", "feminismo mexico de ciencias agricolas.", "feminists mexico las ciencias agricolas.", "feminists mexicano de ciencias agricolas."
"revista mexicana la ciencias agricolas." » "revista mexicana a ciencias agricolas.", "revista mexicano la ciencias agricolas.", "revista mexicana una ciencias agricolas.", "revista mexicana las ciencias agricolas.", "revista mexicana la ciencia agricolas.", "revista mexicana en ciencias agricolas."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("revista mexicana la ciencias agricolas.") or ("feminists mexico de ciencias agricolas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("revista mexicana la ciencias agricolas.") OR ("feminists mexico de ciencias agricolas.")).
• Removing quotes may allow a broader search: (( revista mexicana la ciencias agricolas. ) or ( feminists mexico de ciencias agricolas. )).
• Adding a wildcard symbol may retrieve word variants: (("revista mexicana la ciencias agricolas.") or ("feminists mexico de ciencias agricolas."))*.