Perhaps you should try some spelling variations:
"stem departments of informatics" » "other departments of informatics", "its departments of informatics", "two departments of informatics"
"other treatments of informatics" » "cancer treatments of informatics", "water treatment of informatics", "after treatment of informatics"

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: (("stem departments of informatics") OR ("other treatments of informatics")).
• Removing quotes may allow a broader search: (( stem departments of informatics ) or ( other treatments of informatics )).
• Adding a wildcard symbol may retrieve word variants: (("stem departments of informatics") or ("other treatments of informatics"))*.