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