Perhaps you should try some spelling variations:
"coder coder roberto linear programming" » "coder coder roberto linhares programming" (Expand search), "coder coder roberto linares programming" (Expand search), "coder coder roberto lima programming" (Expand search), "coder coda roberto linear programming" (Expand search), "coder wider roberto linear programming" (Expand search), "coder soler roberto linear programming" (Expand search), "coder decoder roberto linear programming" (Expand search), "code code roberto linear programming" (Expand search), "decoder codec roberto 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 roberto linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder roberto linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder roberto linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder roberto linear programming") OR ("api python python python programming"))*.