Perhaps you should try some spelling variations:
activation during » activity during (Expand search)
cobol programming » robot programming (Expand search), robots programming (Expand search), goal programming (Expand search)
coder activation » over activation (Expand search), cone activation (Expand search), uncover activation (Expand search)
teaching fluent » teaching student (Expand search), teaching laurent (Expand search), teaching flt (Expand search)
using teaching » nursing teaching (Expand search), during teaching (Expand search), desing teaching (Expand search)
during cobol » during cocoa (Expand search), during colon (Expand search), during coal (Expand search)

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

• Removing quotes may allow a broader search: (( coder activation during cobol programming ) OR ( using teaching fluent python programming ))~.