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