Perhaps you should try some spelling variations:
"coder coder gate simulation problem" » "coder coder gate simulation problems" (Expand search), "coder coder gate situation problem" (Expand search), "coder coder gate simulation program" (Expand search), "coder coder game simulation problem" (Expand search), "coder coder state simulation problem" (Expand search), "coder coder wave simulation problem" (Expand search), "coder decoder gate simulation problem" (Expand search), "code code gate simulation problem" (Expand search), "decoder codec gate simulation problem" (Expand search), "coder under gate simulation 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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder gate simulation problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder gate simulation problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder gate simulation problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder gate simulation problem") OR ("api python python python programming"))*.