Perhaps you should try some spelling variations:
"coder file mimo precoder program" » "coder file mimo proder program" (Expand search), "coder file mimo recovery program" (Expand search), "coder file mimo precoce programa" (Expand search), "modern file mimo precoder program" (Expand search), "coder ile mimo 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder file mimo precoder program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder file mimo precoder program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder file mimo precoder program") OR ("api python python python programming"))*.