Perhaps you should try some spelling variations:
"bio engineering society recent" » "bio engineering science recent", "bio engineering sciences recent", "line engineering society recent", "bio engineering society ancient", "bio engineering society report", "bio engineering society president"
"radio engineering social prevent" » "radio engineering software prevent", "marine engineering social prevent", "radio engineering social event", "radio engineering social prevention", "radio engineering socially present"

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: (("bio engineering society recent") OR ("radio engineering social prevent")).
• Removing quotes may allow a broader search: (( bio engineering society recent ) or ( radio engineering social prevent )).
• Adding a wildcard symbol may retrieve word variants: (("bio engineering society recent") or ("radio engineering social prevent"))*.