Perhaps you should try some spelling variations:
"surface optimization python python programming" » "shape optimization python python programming" (Expand search), "scale optimization python python programming" (Expand search), "resource optimization python python programming" (Expand search), "surface optimization method python programming" (Expand search), "surface optimization option python programming" (Expand search), "surface optimization methods python programming" (Expand search), "surface optimization pythons python programming" (Expand search), "surface optimization piton python programming" (Expand search), "surface optimization pitons python programming" (Expand search)
"based convention on coding program" » "basel convention on coding program" (Expand search), "based contention on coding program" (Expand search), "based conversion on coding program" (Expand search), "based convention on cloning program" (Expand search), "based convention on loading program" (Expand search), "based convention on cooling programs" (Expand search), "based convention non coding program" (Expand search), "based convention of coding program" (Expand search), "based convention and coding 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: "((\"based convention on coding program\") OR (\"surface optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( based convention on coding program ) OR ( surface optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based convention on coding program") OR ("surface optimization python python programming"))*.