Perhaps you should try some spelling variations:
"coder coding _ algorithm classification" » "coder coding _ algorithms classification" (Expand search), "coder coding _ algorithm classication" (Expand search), "coder coding _ algoritmo classification" (Expand search), "modern coding _ algorithm classification" (Expand search), "color coding _ algorithm classification" (Expand search), "odor coding _ algorithm classification" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa 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 coding _ algorithm classification") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding _ algorithm classification\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding _ algorithm classification ) OR ( api python python python programming ))*.