Perhaps you should try some spelling variations:
"coder coder complex learning scale" » "coder coder computer learning scale" (Expand search), "coder coder complex training scale" (Expand search), "coder coder complex during scale" (Expand search), "coder coder complex learning space" (Expand search), "coder coder complex learning style" (Expand search), "coder coder complex learning state" (Expand search), "coder copper complex learning scale" (Expand search), "coder holder complex learning scale" (Expand search), "coder modern complex learning scale" (Expand search), "coder decoder complex learning scale" (Expand search), "code code complex learning scale" (Expand search), "decoder codec complex learning scale" (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 complex learning scale") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder complex learning scale\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder complex learning scale ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder complex learning scale") OR ("on python python python programming"))*.