Perhaps you should try some spelling variations:
"coder code coverage course based" » "coder code coverage curve based" (Expand search), "coder code average course based" (Expand search), "coder code coverage discourse based" (Expand search), "coder care coverage course based" (Expand search), "coder and coverage course based" (Expand search), "coder the coverage course based" (Expand search), "coder code coverage course and" (Expand search), "code code coverage course based" (Expand search), "modern code coverage course based" (Expand search), "color code coverage course based" (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 code coverage course based\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code coverage course based ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code coverage course based") OR ("api python python python programming"))*.