Perhaps you should try some spelling variations:
"coder representation _ binary programming" » "modern representation _ binary programming" (Expand search), "border representation _ binary programming" (Expand search), "under representation _ binary programming" (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 representation _ binary programming") OR ("python code python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder representation _ binary programming\") OR (\"python code python python programming\"))".
• Removing quotes may allow a broader search: (( coder representation _ binary programming ) OR ( python code python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder representation _ binary programming") OR ("python code python python programming"))*.