Perhaps you should try some spelling variations:
"coder precoder simples linear programming" » "coder preditor simples linear programming" (Expand search), "coder decoder simples linear programming" (Expand search), "coder precoder simple linear programming" (Expand search), "coder precoder simple lineal programming" (Expand search), "coder precoder simples lingua programming" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

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