Perhaps you should try some spelling variations:
"_ convolutional coding based program" » "_ convolutional codes based program" (Expand search), "_ convolutional code based program" (Expand search), "_ convolutional long based program" (Expand search), "_ convolutional coating based program" (Expand search), "_ convolutional modeling based program" (Expand search), "_ convolutional reading based program" (Expand search)
"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)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("_ convolutional coding based program") OR ("and optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"_ convolutional coding based program\") OR (\"and optimization python python programming\"))".
• Removing quotes may allow a broader search: (( _ convolutional coding based program ) OR ( and optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("_ convolutional coding based program") OR ("and optimization python python programming"))*.