Perhaps you should try some spelling variations:
"coder coder teaching objects problem" » "coder coder teaching object problem" (Expand search), "coder coder teaching projects problem" (Expand search), "coder coder learning objects problem" (Expand search), "coder coder teaching objective problem" (Expand search), "coder coder teaching objetos problema" (Expand search), "coder coder teaching objects people" (Expand search), "coder code teaching objects problem" (Expand search), "coder poder teaching objects problem" (Expand search), "coder model teaching objects problem" (Expand search), "coder decoder teaching objects problem" (Expand search), "code code teaching objects problem" (Expand search), "decoder codec teaching objects problem" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 objects problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder teaching objects problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder teaching objects problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching objects problem") OR ("on python python python programming"))*.