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 duas linear programming" » "coder decoder duas linear programming" (Expand search), "code code duas linear programming" (Expand search), "decoder codec duas linear programming" (Expand search), "coder coder dual linear programming" (Expand search), "coder coder quase linear programming" (Expand search), "coder coder quasi linear programming" (Expand search), "coder poder duas linear programming" (Expand search), "coder cooper duas linear programming" (Expand search), "coder poder dual 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 duas linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder duas linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder duas linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder duas linear programming") OR ("api python python python programming"))*.