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 relationship between loading program" » "border relationship between loading program" (Expand search), "closer relationship between loading program" (Expand search), "holder relationship between loading program" (Expand search), "coder relationship between leading program" (Expand search), "coder relationship between reading program" (Expand search), "coder relationship between looking program" (Expand search), "coder relationship between breading program" (Expand search), "coder relationship between reading programs" (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 relationship between loading program") OR ("and optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder relationship between loading program\") OR (\"and optimization python python programming\"))".
• Removing quotes may allow a broader search: (( coder relationship between loading program ) OR ( and optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder relationship between loading program") OR ("and optimization python python programming"))*.