Perhaps you should try some spelling variations:
"coder xcode java four problems" » "coder xcode java our problems" (Expand search), "coder xcode java pour problemes" (Expand search), "coder xcode java tour problem" (Expand search), "code code java four problems" (Expand search), "coder decoder java four problems" (Expand search), "coder codes java four problems" (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), "rpa python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder xcode java four problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder xcode java four problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder xcode java four problems") OR ("api python python python programming"))*.