Perhaps you should try some spelling variations:
"coder coder pid controller parameters" » "coder coder pid control parameters" (Expand search), "coder coder pid control parameter" (Expand search), "coder coder pid controllers parameters" (Expand search), "coder decoder pid controller parameters" (Expand search), "code code pid controller parameters" (Expand search), "decoder codec pid controller parameters" (Expand search), "coder order pid controller parameters" (Expand search), "coder encoders pid controller parameters" (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 coder pid controller parameters\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder pid controller parameters ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder pid controller parameters") OR ("api python python python programming"))*.