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 coding and sparse coding" » "modern coding and sparse coding" (Expand search), "color coding and sparse coding" (Expand search), "odor coding and sparse coding" (Expand search), "coder coding rna sparse coding" (Expand search), "coder coding and space coding" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding and sparse coding\") OR (\"api pythons python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding and sparse coding ) OR ( api pythons python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding and sparse coding") OR ("api pythons python python programming"))*.