Perhaps you should try some spelling variations:
"coder coder pid controller processing" » "coder coder pid controlled processing" (Expand search), "coder coder pid control processing" (Expand search), "coder coder pid controller process" (Expand search), "coder coder pid controllers processing" (Expand search), "coder decoder pid controller processing" (Expand search), "code code pid controller processing" (Expand search), "decoder codec pid controller processing" (Expand search), "coder order pid controller processing" (Expand search), "coder encoders pid controller 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)

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

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