Perhaps you should try some spelling variations:
"costs learning programming algorithm comparison" » "costs learning processing algorithm comparison" (Expand search), "costs learning programme algorithm comparison" (Expand search), "costs teaching programming algorithm comparison" (Expand search), "costs learning program algorithm comparison" (Expand search), "costs learning programming algorithms comparison" (Expand search), "cost learning programming algorithm comparison" (Expand search), "codes learning programming algorithm comparison" (Expand search), "sports learning programming algorithm comparison" (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: (("costs learning programming algorithm comparison") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"costs learning programming algorithm comparison\") OR (\"api pythons python python programming\"))".
• Removing quotes may allow a broader search: (( costs learning programming algorithm comparison ) OR ( api pythons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("costs learning programming algorithm comparison") OR ("api pythons python python programming"))*.