Perhaps you should try some spelling variations:
"coder coder structure recognition problem" » "coder coder structure cognition problem" (Expand search), "coder coder texture recognition problem" (Expand search), "coder coder structure resolution problem" (Expand search), "coder coder structure recognition program" (Expand search), "coder coder structure recognition process" (Expand search), "coder coder structure recognition protein" (Expand search), "coder cover structure recognition problem" (Expand search), "coder cover structures recognition problem" (Expand search), "coder model structure recognition problem" (Expand search), "coder decoder structure recognition problem" (Expand search), "code code structure recognition problem" (Expand search), "decoder codec structure recognition 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 structure recognition problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder structure recognition problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder structure recognition problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder structure recognition problem") OR ("api python python python programming"))*.