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