Perhaps you should try some spelling variations:
"coder and linear precoding program" » "coder and linear breeding program" (Expand search), "coder and linear reading program" (Expand search), "coder and linear preparing program" (Expand search), "coder and nonlinear precoding program" (Expand search), "code and linear precoding program" (Expand search), "codes and linear precoding program" (Expand search), "poder and linear precoding 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 and linear precoding program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder and linear precoding program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder and linear precoding program ) OR ( api python python python programming ))*.