Perhaps you should try some spelling variations:
"period optimization python python programming" » "method optimization python python programming" (Expand search), "operation optimization python python programming" (Expand search), "hybrid optimization python python programming" (Expand search), "period optimization method python programming" (Expand search), "period optimization option python programming" (Expand search), "period optimization methods python programming" (Expand search), "period optimization pythons python programming" (Expand search), "period optimization piton python programming" (Expand search), "period optimization pitons python programming" (Expand search)
"coder function using coding program" » "modern function using coding program" (Expand search), "power function using coding program" (Expand search), "over function using coding program" (Expand search), "coder function during coding program" (Expand search), "coder reaction using coding program" (Expand search), "coder function using cloning program" (Expand search), "coder function using loading program" (Expand search), "coder function using cooling programs" (Expand search), "coder function using coping program" (Expand search), "coder function using coating program" (Expand search), "coder function using 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 function using coding program\") OR (\"period optimization python python programming\"))~".
• Removing quotes may allow a broader search: (( coder function using coding program ) OR ( period optimization python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder function using coding program") OR ("period optimization python python programming"))*.