Perhaps you should try some spelling variations:
"coder coder pol oscillator problem" » "coder coder pol oscillations problems" (Expand search), "coder coder pol oscillatory poles" (Expand search), "coder decoder pol oscillator problem" (Expand search), "code code pol oscillator problem" (Expand search), "decoder codec pol oscillator problem" (Expand search), "coder poder pol oscillator problem" (Expand search), "coder der pol oscillator problem" (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), "manim 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 pol oscillator problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder pol oscillator problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder pol oscillator problem") OR ("api python python python programming"))*.