Perhaps you should try some spelling variations:
"coder code coding density functional" » "coder code loading density functional" (Expand search), "coder code sowing density functional" (Expand search), "coder code cropping density functional" (Expand search), "coder code cloning density functional" (Expand search), "coder code codigo density functional" (Expand search), "coder code according density functional" (Expand search), "code code coding density functional" (Expand search), "modern code coding density functional" (Expand search), "color code coding density functional" (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 code coding density functional") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder code coding density functional\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder code coding density functional ) OR ( api python python python programming ))*.