Perhaps you should try some spelling variations:
"coder coder teaching sequence problems" » "coder coder teaching sequences problems" (Expand search), "coder coder teaching sequencing problems" (Expand search), "coder coder teaching sequencia problemas" (Expand search), "coder code teaching sequence problems" (Expand search), "coder poder teaching sequence problems" (Expand search), "coder model teaching sequence problems" (Expand search), "coder decoder teaching sequence problems" (Expand search), "code code teaching sequence problems" (Expand search), "decoder codec teaching sequence problems" (Expand search)
"and python python python programming" » "and pythons python python programming" (Expand search), "and piton python python programming" (Expand search), "and pitons python python programming" (Expand search), "in python python python programming" (Expand search), "on python python python programming" (Expand search), "api 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 problems") OR ("and python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder teaching sequence problems\") OR (\"and python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder teaching sequence problems ) OR ( and python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching sequence problems") OR ("and python python python programming"))*.