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