Perhaps you should try some spelling variations:
"coder string matching logarithmic function" » "coder string matching algorithm function" (Expand search), "coder string matching algorithms function" (Expand search), "coder string teaching logarithms function" (Expand search), "cordel string matching logarithmic function" (Expand search), "closed string matching logarithmic function" (Expand search), "modelo string matching logarithmic function" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder string matching logarithmic function") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder string matching logarithmic function\") OR (\"api pythons python python programming\"))".
• Removing quotes may allow a broader search: (( coder string matching logarithmic function ) OR ( api pythons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder string matching logarithmic function") OR ("api pythons python python programming"))*.