Perhaps you should try some spelling variations:
"coding coding _ integer programming" » "coding coding _ linear programming" (Expand search), "coding decoding _ integer programming" (Expand search), "coding using _ integer programming" (Expand search), "coding canine _ integer programming" (Expand search)
"python python python python programming" » "pythons python pythons python programming" (Expand search), "piton python piton python programming" (Expand search), "pitons python pitons 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: (("coding coding _ integer programming") OR ("python python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding coding _ integer programming\") OR (\"python python python python programming\"))".
• Removing quotes may allow a broader search: (( coding coding _ integer programming ) OR ( python python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coding coding _ integer programming") OR ("python python python python programming"))*.