Perhaps you should try some spelling variations:
"api pitoni python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons python python programming" (Expand search), "api pitoni pythons python programming" (Expand search), "api pitoni piton python programming" (Expand search), "api pitoni pitons python programming" (Expand search)
"coder string _ algorithm in" » "cordel string _ algorithm in" (Expand search), "closed string _ algorithm in" (Expand search), "modelo string _ algorithm in" (Expand search), "coder string _ algorithm and" (Expand search), "coder string _ algorithm _" (Expand search), "coder string _ algorithm with" (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 string _ algorithm in\") OR (\"api pitoni python python programming\"))~".
• Removing quotes may allow a broader search: (( coder string _ algorithm in ) OR ( api pitoni python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder string _ algorithm in") OR ("api pitoni python python programming"))*.