Perhaps you should try some spelling variations:
"coder coder teaching learning objects" » "coder code teaching learning objects" (Expand search), "coder poder teaching learning objects" (Expand search), "coder model teaching learning objects" (Expand search), "coder decoder teaching learning objects" (Expand search), "code code teaching learning objects" (Expand search), "decoder codec teaching learning objects" (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.

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