Perhaps you should try some spelling variations:
"coder coder communications path problems" » "coder code communications path problems" (Expand search), "coder codes communication path problems" (Expand search), "coder camera communications path problems" (Expand search), "coder coder communications data problems" (Expand search), "coder coder communications at problems" (Expand search), "coder coder communication paths problems" (Expand search), "coder coder communications path problem" (Expand search), "coder coder communications math problems" (Expand search), "coder coder communications with problems" (Expand search), "coder decoder communications path problems" (Expand search), "code code communications path problems" (Expand search), "decoder codec communications path problems" (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 communications path problems") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder communications path problems\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder communications path problems ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder communications path problems") OR ("on python python python programming"))*.