Perhaps you should try some spelling variations:
"coder imperfecta mimo precoder program" » "under imperfect mimo precoder program" (Expand search), "over imperfect mimo precoder program" (Expand search), "under imperfectly mimo precoder program" (Expand search), "coder imperfecta mimo proder program" (Expand search), "coder imperfecta mimo recovery program" (Expand search), "coder imperfecta mimo precoce programa" (Expand search), "coder imperfecta motor precoder program" (Expand search), "coder imperfecta in precoder program" (Expand search), "coder imperfecta oi precoder 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder imperfecta mimo precoder program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder imperfecta mimo precoder program\") OR (\"api python python python programming\"))".
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• Adding a wildcard symbol may retrieve word variants: (("coder imperfecta mimo precoder program") OR ("api python python python programming"))*.