Perhaps you should try some spelling variations:
"activity alteration python python programming" » "activity interaction python python programming" (Expand search), "activity relation python python programming" (Expand search), "activity detection python python programming" (Expand search), "activity alteration pattern python programming" (Expand search), "activity alteration on python programming" (Expand search), "activity alteration to python programming" (Expand search), "activity alteration pythons python programming" (Expand search), "activity alteration piton python programming" (Expand search), "activity alteration pitons python programming" (Expand search)
"_ convolutional code coding program" » "_ convolutional codes coding program" (Expand search), "_ convolutional and coding program" (Expand search), "_ convolucional cnn coding program" (Expand search), "_ convolutional code cloning program" (Expand search), "_ convolutional code loading program" (Expand search), "_ convolutional code cooling programs" (Expand search), "_ convolutional code codigo program" (Expand search), "_ convolutional code according program" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"_ convolutional code coding program\") OR (\"activity alteration python python programming\"))~".
• Removing quotes may allow a broader search: (( _ convolutional code coding program ) OR ( activity alteration python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("_ convolutional code coding program") OR ("activity alteration python python programming"))*.