Perhaps you should try some spelling variations:
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api python python python programming" (Expand search)
"coder coder based linear programming" » "coder coder based lidar programming" (Expand search), "coder coder based nonlinear programming" (Expand search), "coder coder and linear programming" (Expand search), "coder decoder based linear programming" (Expand search), "code code based linear programming" (Expand search), "decoder codec based linear programming" (Expand search), "coder code based linear programming" (Expand search), "coder foder based linear programming" (Expand search), "coder codec based linear 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 coder based linear programming") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder based linear programming\") OR (\"api pythons python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder based linear programming ) OR ( api pythons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder based linear programming") OR ("api pythons python python programming"))*.