Perhaps you should try some spelling variations:
"coder coder computer visual problem" » "coder coder computer vision problem" (Expand search), "coder coder complex visual problem" (Expand search), "coder coder computer virus problem" (Expand search), "coder model computer visual problem" (Expand search), "coder node computer visual problem" (Expand search), "coder color computer visual problem" (Expand search), "coder coder computer visual problems" (Expand search), "coder coder computer visual probe" (Expand search), "coder coder computer visual proler" (Expand search), "coder decoder computer visual problem" (Expand search), "code code computer visual problem" (Expand search), "decoder codec computer visual 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 computer visual problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder computer visual problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder computer visual problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder computer visual problem") OR ("on python python python programming"))*.