Perhaps you should try some spelling variations:
"and optimization python python programming" » "and optimization method python programming" (Expand search), "and optimization option python programming" (Expand search), "and optimization methods python programming" (Expand search), "and optimization pythons python programming" (Expand search), "and optimization piton python programming" (Expand search), "and optimization pitons python programming" (Expand search)
"_ convolutional code noncoding program" » "_ convolutional codes noncoding program" (Expand search), "_ convolutional and noncoding program" (Expand search), "_ convolucional cnn noncoding program" (Expand search), "_ convolutional code monitoring program" (Expand search), "_ convolutional code onboarding program" (Expand search), "_ convolutional code homecoming program" (Expand search), "_ convolutional long noncoding program" (Expand search), "_ convolutional of noncoding 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 noncoding program\") OR (\"and optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( _ convolutional code noncoding program ) OR ( and optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("_ convolutional code noncoding program") OR ("and optimization python python programming"))*.