Perhaps you should try some spelling variations:
"grid optimization python python programming" » "grid optimization method python programming" (Expand search), "grid optimization option python programming" (Expand search), "grid optimization methods python programming" (Expand search), "hybrid optimization python python programming" (Expand search), "period optimization python python programming" (Expand search), "and optimization python python programming" (Expand search), "grid optimization pythons python programming" (Expand search), "grid optimization piton python programming" (Expand search), "grid optimization pitons python programming" (Expand search)
"coder convention and coding program" » "model convention and coding program" (Expand search), "code conventions and coding program" (Expand search), "code conventional and coding program" (Expand search), "coder conventional and coding program" (Expand search), "coder convention on coding program" (Expand search), "coder conversion and coding program" (Expand search), "coder convention and cloning program" (Expand search), "coder convention and loading program" (Expand search), "coder convention and cooling programs" (Expand search), "coder convention and coping program" (Expand search), "coder convention and cooling program" (Expand search), "coder convention and cooking 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: "((\"coder convention and coding program\") OR (\"grid optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder convention and coding program ) OR ( grid optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder convention and coding program") OR ("grid optimization python python programming"))*.