Perhaps you should try some spelling variations:
"_ convolutional coding coding program" » "_ convolutional codes coding program" (Expand search), "_ convolutional code coding program" (Expand search), "_ convolutional long coding program" (Expand search), "_ convolutional coding cloning program" (Expand search), "_ convolutional coding loading program" (Expand search), "_ convolutional coding cooling programs" (Expand search), "_ convolutional coding decoding program" (Expand search), "_ convolutional coding using program" (Expand search), "_ convolutional coding canine program" (Expand search)
"surface optimization at python programming" » "shape optimization at python programming" (Expand search), "scale optimization at python programming" (Expand search), "resource optimization at python programming" (Expand search), "surface optimization an python programming" (Expand search), "surface optimization and python programming" (Expand search), "surface optimization _ python programming" (Expand search), "surface optimization gate python programming" (Expand search), "surface optimization api python programming" (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 coding coding program\") OR (\"surface optimization at python programming\"))~".
• Removing quotes may allow a broader search: (( _ convolutional coding coding program ) OR ( surface optimization at python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("_ convolutional coding coding program") OR ("surface optimization at python programming"))*.