Perhaps you should try some spelling variations:
"coder coder tarifa linear programming" » "coder coder tarifa minas programming" (Expand search), "coder power tariff linear programming" (Expand search), "coder lazer tarifa linear programming" (Expand search), "coder movel tarifa linear programming" (Expand search), "coder decoder tarifa linear programming" (Expand search), "code code tarifa linear programming" (Expand search), "decoder codec tarifa 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 tarifa linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder tarifa linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder tarifa linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder tarifa linear programming") OR ("api python python python programming"))*.