Perhaps you should try some spelling variations:
"coder coder presence linear programming" » "coder coder presence dear programming" (Expand search), "coder coder presence leaf programming" (Expand search), "coder coder presence cinema programming" (Expand search), "coder under presence linear programming" (Expand search), "coder poder presentes linear programming" (Expand search), "coder coffee presence linear programming" (Expand search), "coder decoder presence linear programming" (Expand search), "code code presence linear programming" (Expand search), "decoder codec presence 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 presence linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder presence linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder presence linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder presence linear programming") OR ("api python python python programming"))*.