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 resolution java computer program" » "model resolution java computer program" (Expand search), "cade resolution java computer program" (Expand search), "coder solution java computer program" (Expand search), "coder resolution avo computer program" (Expand search), "coder resolution and computer program" (Expand search), "coder resolution adr computer 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 resolution java computer program\") OR (\"grid optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder resolution java computer program ) OR ( grid optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder resolution java computer program") OR ("grid optimization python python programming"))*.