Perhaps you should try some spelling variations:
"coder coder rational _ programming" » "coder under rational _ programming" (Expand search), "coder code national _ programming" (Expand search), "coder models rational _ programming" (Expand search), "coder decoder rational _ programming" (Expand search), "code code rational _ programming" (Expand search), "decoder codec rational _ programming" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python python 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 rational _ programming") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder rational _ programming\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder rational _ programming ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder rational _ programming") OR ("via python python python programming"))*.