Perhaps you should try some spelling variations:
"coder open optimization algorithm learning" » "coder on optimization algorithm learning" (Expand search), "coder modern optimization algorithm learning" (Expand search), "coder green optimization algorithm learning" (Expand search), "under open optimization algorithm learning" (Expand search), "oer open optimization algorithm learning" (Expand search), "model open optimization algorithm learning" (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 open optimization algorithm learning") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder open optimization algorithm learning\") OR (\"api pythons python python programming\"))".
• Removing quotes may allow a broader search: (( coder open optimization algorithm learning ) OR ( api pythons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder open optimization algorithm learning") OR ("api pythons python python programming"))*.