Perhaps you should try some spelling variations:
"coder coder fixations visual programming" » "coder coder fixations fetal programming" (Expand search), "coder coder fixacao visual programming" (Expand search), "coder ocular fixations visual programming" (Expand search), "coder decoder fixations visual programming" (Expand search), "code code fixations visual programming" (Expand search), "decoder codec fixations visual programming" (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 fixations visual programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder fixations visual programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder fixations visual programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder fixations visual programming") OR ("on python python python programming"))*.