Perhaps you should try some spelling variations:
"coder coder coding teaching proposals" » "coder coder coding teaching proposal" (Expand search), "coder coder coding teaching process" (Expand search), "coder coder coding teaching processes" (Expand search), "coder coder cloning teaching proposals" (Expand search), "coder coder doing teaching proposals" (Expand search), "coder coder modeling teaching proposals" (Expand search), "coder modern coding teaching proposals" (Expand search), "coder color coding teaching proposals" (Expand search), "coder odor coding teaching proposals" (Expand search), "coder decoder coding teaching proposals" (Expand search), "code code coding teaching proposals" (Expand search), "decoder codec coding teaching proposals" (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 coding teaching proposals\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder coding teaching proposals ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder coding teaching proposals") OR ("_ python python python programming"))*.