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