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