Perhaps you should try some spelling variations:
"coder coder impulse linear programming" » "coder coder impulsora linear programming" (Expand search), "coder coder simple linear programming" (Expand search), "coder power impulse linear programming" (Expand search), "coder under impulse linear programming" (Expand search), "coder order impulse linear programming" (Expand search), "coder decoder impulse linear programming" (Expand search), "code code impulse linear programming" (Expand search), "decoder codec impulse linear programming" (Expand search)
"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)

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 impulse linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder impulse linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder impulse linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder impulse linear programming") OR ("api python python python programming"))*.