Perhaps you should try some spelling variations:
"coder coder reading and introduction" » "coder coder reading an introduction" (Expand search), "coder modern reading and introduction" (Expand search), "coder model reading and introduction" (Expand search), "coder over reading and introduction" (Expand search), "coder decoder reading and introduction" (Expand search), "code code reading and introduction" (Expand search), "decoder codec reading and introduction" (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 coder reading and introduction\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder reading and introduction ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder reading and introduction") OR ("api python python python programming"))*.