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