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