Perhaps you should try some spelling variations:
"development technological" » "development technologies", "development technology", "development technical"
"development psychology" » "developmental psychology", "development physiology", "development psychological"

Try widening your search to All Fields.

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: (("development psychology") OR ("development technological")).
• Removing quotes may allow a broader search: (( development psychology ) or ( development technological )).
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