Perhaps you should try some spelling variations:
"coder coding varying linear programing" » "coder coding varying linear programming" (Expand search), "coder coding varying linear programmin" (Expand search), "coder coding varying linear program" (Expand search), "coder using varying linear programing" (Expand search), "modern coding varying linear programing" (Expand search), "color coding varying linear programing" (Expand search), "odor coding varying linear programing" (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 coding varying linear programing") OR ("python code python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding varying linear programing\") OR (\"python code python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding varying linear programing ) OR ( python code python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding varying linear programing") OR ("python code python python programming"))*.