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