Perhaps you should try some spelling variations:
"coder coder pattern open problems" » "coder cover pattern open problems" (Expand search), "coder cover patterns open problems" (Expand search), "coder powder pattern open problems" (Expand search), "coder coder pattern on problems" (Expand search), "coder coder patterns open problems" (Expand search), "coder coder pattern of problems" (Expand search), "coder decoder pattern open problems" (Expand search), "code code pattern open problems" (Expand search), "decoder codec pattern open 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 pattern open problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder pattern open problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder pattern open problems") OR ("api python python python programming"))*.