Perhaps you should try some spelling variations:
"and optimization python python programming" » "and optimization method python programming" (Expand search), "and optimization option python programming" (Expand search), "and optimization methods python programming" (Expand search), "and optimization pythons python programming" (Expand search), "and optimization piton python programming" (Expand search), "and optimization pitons python programming" (Expand search)
"coder rotation crop coding program" » "under rotation crop coding program" (Expand search), "power rotation crop coding program" (Expand search), "center rotation crop coding program" (Expand search), "coder rotation crop cloning program" (Expand search), "coder rotation crop loading program" (Expand search), "coder rotation crop cooling programs" (Expand search), "coder rotation curve coding program" (Expand search), "coder rotation of coding program" (Expand search), "coder rotation on coding program" (Expand search), "coder rotation crop zoning program" (Expand search), "coder rotation top coding program" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder rotation crop coding program") OR ("and optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder rotation crop coding program\") OR (\"and optimization python python programming\"))".
• Removing quotes may allow a broader search: (( coder rotation crop coding program ) OR ( and optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder rotation crop coding program") OR ("and optimization python python programming"))*.