Perhaps you should try some spelling variations:
"coder lessons testing coverage programmer" » "coder lessons testing coverage program" (Expand search), "coder lessons test coverage programmer" (Expand search), "coder lessons stemming coverage programmer" (Expand search), "coder regions testing coverage programmer" (Expand search), "coder poisons testing coverage programmer" (Expand search), "older lessons testing coverage programmer" (Expand search), "cone lessons testing coverage programmer" (Expand search), "modes lessons testing coverage programmer" (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 lessons testing coverage programmer\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder lessons testing coverage programmer ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder lessons testing coverage programmer") OR ("api python python python programming"))*.