Perhaps you should try some spelling variations:
"surface optimization of python programming" » "shape optimization of python programming" (Expand search), "scale optimization of python programming" (Expand search), "resource optimization of python programming" (Expand search), "surface optimization on python programming" (Expand search), "surface optimization _ python programming" (Expand search), "surface optimization in python programming" (Expand search)
"and conventional coding coding program" » "and conventional cooling coding program" (Expand search), "and conventional loading coding program" (Expand search), "and conventional cooking coding program" (Expand search), "and conventional coding cloning program" (Expand search), "and conventional coding loading program" (Expand search), "and conventional coding cooling programs" (Expand search), "and conventional coding decoding program" (Expand search), "and conventional coding using program" (Expand search), "and conventional coding canine 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: "((\"and conventional coding coding program\") OR (\"surface optimization of python programming\"))~".
• Removing quotes may allow a broader search: (( and conventional coding coding program ) OR ( surface optimization of python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and conventional coding coding program") OR ("surface optimization of python programming"))*.