Perhaps you should try some spelling variations:
"coder coder teaching sequence teaching" » "coder coder teaching science teaching" (Expand search), "coder coder teaching sequence learning" (Expand search), "coder coder teaching sequence typing" (Expand search), "coder code teaching sequence teaching" (Expand search), "coder poder teaching sequence teaching" (Expand search), "coder model teaching sequence teaching" (Expand search), "coder decoder teaching sequence teaching" (Expand search), "code code teaching sequence teaching" (Expand search), "decoder codec teaching sequence teaching" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 teaching sequence teaching\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder teaching sequence teaching ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching sequence teaching") OR ("_ python python python programming"))*.