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 silicon sources computing program" » "coder silicon courses computing program" (Expand search), "coder silicon sciences computing program" (Expand search), "coder silicon services computing program" (Expand search), "coder silicon sources consulting program" (Expand search), "coder silicon sources computer program" (Expand search), "coder silicon sources computador program" (Expand search), "coder silica source computing program" (Expand search), "under silicon sources computing program" (Expand search), "core silicon sources computing program" (Expand search), "bonded silicon sources computing 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 silicon sources computing program") OR ("and optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder silicon sources computing program\") OR (\"and optimization python python programming\"))".
• Removing quotes may allow a broader search: (( coder silicon sources computing program ) OR ( and optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder silicon sources computing program") OR ("and optimization python python programming"))*.