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 detection using java programming" » "coder detection using and programming" (Expand search), "coder detection using based programming" (Expand search), "coder detection using goal programming" (Expand search), "code detection using java programming" (Expand search), "border detection using java programming" (Expand search), "corner detection using java programming" (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 detection using java programming") OR ("method optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder detection using java programming\") OR (\"method optimization python python programming\"))*".
• Removing quotes may allow a broader search: (( coder detection using java programming ) OR ( method optimization python python programming ))*.