Perhaps you should try some spelling variations:
"coder precoder spaces linear programming" » "coder decoder spaces linear programming" (Expand search), "coder precoder spaced linear programming" (Expand search), "coder precoder sparce linear programming" (Expand search), "coder precoder stakes linear programming" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python 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 precoder spaces linear programming") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder spaces linear programming\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder spaces linear programming ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder spaces linear programming") OR ("via python python python programming"))*.