Perhaps you should try some spelling variations:
"coder string matching algorithms friction" » "coder string matching algorithm friction" (Expand search), "coder string mining algorithms friction" (Expand search), "coder string tracking algorithms friction" (Expand search), "coder string matching algorithms functional" (Expand search), "coder string matching algorithms selection" (Expand search), "cordel string matching algorithms friction" (Expand search), "closed string matching algorithms friction" (Expand search), "modelo string matching algorithms friction" (Expand search)
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api 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 string matching algorithms friction\") OR (\"api pythons python python programming\"))~".
• Removing quotes may allow a broader search: (( coder string matching algorithms friction ) OR ( api pythons python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder string matching algorithms friction") OR ("api pythons python python programming"))*.