Perhaps you should try some spelling variations:
"desarrollo psicomotora infantil" » "desarrollo psicomotor infantil", "desarrollo sicomotor infantil", "desarrollo psicomotriz infantil"
"desarrollo psicologico infantil" » "desarrollo fisiologico infantil", "desarrollo tecnologico infantil", "desarrollo psicosocial infantil", "desarrollo oncologico infantil", "desarrollo neuropsicologico infantil", "desarrollo neuropsicologica infantil"
"desarrollo psicologia infantil" » "desarrollo psicosocial infantil", "desarrollo psicomotriz infantil", "desarrollo psicomotor infantil"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("desarrollo psicomotora infantil") OR ((("desarrollo psicologia infantil") OR ("desarrollo psicologico infantil"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"desarrollo psicomotora infantil\") or (((\"desarrollo psicologia infantil\") OR (\"desarrollo psicologico infantil\"))))~".
• Removing quotes may allow a broader search: (( desarrollo psicomotora infantil ) or ((( desarrollo psicologia infantil ) OR ( desarrollo psicologico infantil ))))~.
• Adding a wildcard symbol may retrieve word variants: (("desarrollo psicomotora infantil") or ((("desarrollo psicologia infantil") OR ("desarrollo psicologico infantil"))))*.