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