Perhaps you should try some spelling variations:
"technology general guia." » "psychology general guia.", "sociology general guia.", "technology general laura.", "technology general maria.", "technology general para."
"tecnologia general guia." » "sociologia general guia.", "psicologia general guia.", "biologia general guia.", "tecnologia general laura.", "tecnologia general maria.", "tecnologia general para."
"ethnology central en." » "mythology central en.", "ethnology ecuatorial en.", "ethnology central de.", "ethnology central y."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("technology general guia.") OR ("tecnologia general guia."))) or ("ethnology central en."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("technology general guia.") OR ("tecnologia general guia."))) OR ("ethnology central en.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"technology general guia.\") OR (\"tecnologia general guia.\"))) or (\"ethnology central en.\"))".
• Removing quotes may allow a broader search: (((( technology general guia. ) OR ( tecnologia general guia. ))) or ( ethnology central en. )).
• Adding a wildcard symbol may retrieve word variants: (((("technology general guia.") OR ("tecnologia general guia."))) or ("ethnology central en."))*.