Perhaps you should try some spelling variations:
"coder computation time linear programming" » "modern computation time linear programming" (Expand search), "core computation time linear programming" (Expand search), "color computation time linear programming" (Expand search), "coder computational time linear programming" (Expand search), "coder computation the linear programming" (Expand search), "coder computation tree linear programming" (Expand search), "coder computation simple linear 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 computation time linear programming") OR ("python code python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder computation time linear programming\") OR (\"python code python python programming\"))".
• Removing quotes may allow a broader search: (( coder computation time linear programming ) OR ( python code python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder computation time linear programming") OR ("python code python python programming"))*.