Perhaps you should try some spelling variations:
"coder linear precoding information processing" » "coder linear preceding information processing" (Expand search), "coder linear decoding information processing" (Expand search), "coder linear recording information processing" (Expand search), "code linear precoding information processing" (Expand search), "order linear precoding information processing" (Expand search), "model linear precoding information processing" (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 linear precoding information processing\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder linear precoding information processing ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder linear precoding information processing") OR ("api python python python programming"))*.