Perhaps you should try some spelling variations:
"border crossing discourse _ programming" » "border housing discourse _ programming" (Expand search), "border schooling discourse _ programming" (Expand search), "border training discourse _ 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: (("border crossing discourse _ programming") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"border crossing discourse _ programming\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( border crossing discourse _ programming ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("border crossing discourse _ programming") OR ("on python python python programming"))*.