Perhaps you should try some spelling variations:
"coder implementation and ddr program" » "code implementation and ddr program" (Expand search), "decoder implementation and ddr program" (Expand search), "model implementation and ddr program" (Expand search), "coder implementation of ddr program" (Expand search), "coder implementation and r program" (Expand search), "coder implementation and ladder program" (Expand search), "coder implementation and year program" (Expand search), "coder implementation and hddr program" (Expand search), "coder implementation and ddt program" (Expand search), "coder implementation and dd program" (Expand search)
"python code python python programming" » "python code pythons python programming" (Expand search), "python code piton python programming" (Expand search), "python code pitons python programming" (Expand search), "python codigo python python programming" (Expand search), "python pacote python python 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 implementation and ddr program") OR ("python code python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation and ddr program\") OR (\"python code python python programming\"))*".
• Removing quotes may allow a broader search: (( coder implementation and ddr program ) OR ( python code python python programming ))*.