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