Perhaps you should try some spelling variations:
"coder coder functional theory problem" » "coder modern functional theory problem" (Expand search), "coder border functional theory problem" (Expand search), "coder order functional theory problem" (Expand search), "coder coder functional theory problems" (Expand search), "coder coder functional the problem" (Expand search), "coder coder functional theory program" (Expand search), "coder decoder functional theory problem" (Expand search), "code code functional theory problem" (Expand search), "decoder codec functional theory problem" (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 functional theory problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder functional theory problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder functional theory problem") OR ("api python python python programming"))*.