Perhaps you should try some spelling variations:
"coder mimo precoder based program" » "coder mimo recorder based program" (Expand search), "coder mimo precedent based program" (Expand search), "coder mimo precoding based program" (Expand search), "coded mimo precoder based program" (Expand search), "codes mimo precoder based program" (Expand search), "order mimo precoder based 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 mimo precoder based program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder mimo precoder based program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder mimo precoder based program") OR ("api python python python programming"))*.