Perhaps you should try some spelling variations:
"coder java programming based problems" » "coder java programming and problems" (Expand search), "coder and programming based problems" (Expand search), "coder based programming based problems" (Expand search), "coder goal programming based problems" (Expand search), "coder java programming posed problems" (Expand search), "coder java programming based probes" (Expand search), "coder java programming basic problems" (Expand search), "codes java programming based problems" (Expand search), "xcode java programming based 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 java programming based problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder java programming based problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder java programming based problems") OR ("api python python python programming"))*.