Perhaps you should try some spelling variations:
"coder precoder design algorithm dc" » "coder precoder decision algorithm dc" (Expand search), "coder precoder descent algorithm dc" (Expand search), "coder precoder fusion algorithm dc" (Expand search), "coder decoder design algorithm dc" (Expand search), "coder precoder design algorithm c" (Expand search), "coder precoder design algorithm dht" (Expand search), "coder precoder design algorithm doi" (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)

You may be able to get more results by adjusting your search query.

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