Perhaps you should try some spelling variations:
"coder coder _ triangular problems" » "coder coder _ singular problems" (Expand search), "coder coder _ triangle problems" (Expand search), "coder coder _ triangular process" (Expand search), "coder decoder _ triangular problems" (Expand search), "code code _ triangular problems" (Expand search), "decoder codec _ triangular problems" (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), "rpa python python python programming" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ triangular problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder _ triangular problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ triangular problems") OR ("api python python python programming"))*.