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 level linear programming" » "coder coder movel linear programming" (Expand search), "coder coder kernel linear programming" (Expand search), "coder coder level laser programming" (Expand search), "coder decoder level linear programming" (Expand search), "code code level linear programming" (Expand search), "decoder codec level linear programming" (Expand search), "coder code level linear programming" (Expand search), "coder cover level linear programming" (Expand search), "coder copper level 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 level linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder level linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder level linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder level linear programming") OR ("api python python python programming"))*.