Perhaps you should try some spelling variations:
"coder coder simulation sample problem" » "coder coder population sample problem" (Expand search), "coder coder population samples problem" (Expand search), "coder code simulation sample problem" (Expand search), "coder model simulation sample problem" (Expand search), "coder power simulation sample problem" (Expand search), "coder coder simulation complex problem" (Expand search), "coder decoder simulation sample problem" (Expand search), "code code simulation sample problem" (Expand search), "decoder codec simulation sample 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 simulation sample problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder simulation sample problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder simulation sample problem") OR ("api python python python programming"))*.