Perhaps you should try some spelling variations:
"code code java java problems" » "code code java falva problems" (Expand search), "code code java data problems" (Expand search), "code code java ava problem" (Expand search), "code cdc java java problems" (Expand search), "code codes java java problems" (Expand search), "code xcode java java problems" (Expand search), "code ide java java 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: "((\"code code java java problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( code code java java problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("code code java java problems") OR ("api python python python programming"))*.