Perhaps you should try some spelling variations:
"coder decoder decoder training program" » "coder decoder reader training program" (Expand search), "coder decoder gender training program" (Expand search), "coder decoder techer training program" (Expand search), "coder encoder decoder training program" (Expand search), "coder decoder codec training program" (Expand search), "encoder decoder decoder training program" (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 decoder decoder training program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder decoder decoder training program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder decoder decoder training program") OR ("api python python python programming"))*.