Perhaps you should try some spelling variations:
"coder coding _ software arduino" » "coder coding _ software arena" (Expand search), "coder coding _ software aging" (Expand search), "coder coding _ software arcgis" (Expand search), "modern coding _ software arduino" (Expand search), "color coding _ software arduino" (Expand search), "odor coding _ software arduino" (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.

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