Perhaps you should try some spelling variations:
"coder coder teaching sequence problem" » "coder coder teaching sequences problems" (Expand search), "coder coder teaching subsequence problem" (Expand search), "coder coder teaching sequencing problem" (Expand search), "coder code teaching sequence problem" (Expand search), "coder poder teaching sequence problem" (Expand search), "coder model teaching sequence problem" (Expand search), "coder decoder teaching sequence problem" (Expand search), "code code teaching sequence problem" (Expand search), "decoder codec teaching sequence 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder teaching sequence problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder teaching sequence problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder teaching sequence problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching sequence problem") OR ("api python python python programming"))*.