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 relation in decoding program" » "coder relation in welcoming program" (Expand search), "coder relation in deworming program" (Expand search), "coder relation in feeding program" (Expand search), "border relation in decoding program" (Expand search), "power relation in decoding program" (Expand search), "order relation in decoding program" (Expand search), "coder relations in decoding program" (Expand search), "coder relation _ decoding program" (Expand search), "coder correlation in decoding program" (Expand search), "coder relation and decoding program" (Expand search), "coder relation in decaying 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 relation in decoding program\") OR (\"and optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder relation in decoding program ) OR ( and optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder relation in decoding program") OR ("and optimization python python programming"))*.