Perhaps you should try some spelling variations:
"method optimization python python programming" » "method optimization method python programming" (Expand search), "method optimization option python programming" (Expand search), "method optimization methods python programming" (Expand search), "method optimization pythons python programming" (Expand search), "method optimization piton python programming" (Expand search), "method optimization pitons python programming" (Expand search)
"coder old sources coding program" » "coder old source coding program" (Expand search), "coder old sources holdings program" (Expand search), "coder old sources modeling program" (Expand search), "coder old sources cloning program" (Expand search), "coder old sources loading program" (Expand search), "coder old sources cooling programs" (Expand search), "coder food sources coding program" (Expand search), "coder and sources coding program" (Expand search), "coder sound sources coding program" (Expand search), "border old sources coding program" (Expand search), "over old sources coding program" (Expand search), "older old sources 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 old sources coding program") OR ("method optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder old sources coding program\") OR (\"method optimization python python programming\"))".
• Removing quotes may allow a broader search: (( coder old sources coding program ) OR ( method optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder old sources coding program") OR ("method optimization python python programming"))*.