Perhaps you should try some spelling variations:
"coder coder using frequency amplitude" » "coder coder single frequency amplitude" (Expand search), "coder coder feeding frequency amplitude" (Expand search), "coder coder grazing frequency amplitude" (Expand search), "coder decoder using frequency amplitude" (Expand search), "code code using frequency amplitude" (Expand search), "decoder codec using frequency amplitude" (Expand search), "coder coders using frequency amplitude" (Expand search), "coder cover using frequency amplitude" (Expand search), "coder code using frequency amplitude" (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 using frequency amplitude\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder using frequency amplitude ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder using frequency amplitude") OR ("api python python python programming"))*.