Perhaps you should try some spelling variations:
"coder computational java unit problem" » "code computational java unit problem" (Expand search), "poder computacional java unit problem" (Expand search), "model computational java unit problem" (Expand search), "coder computacional java unit problem" (Expand search), "coder computational data unit problem" (Expand search), "coder computational and unit problem" (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 computational java unit problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder computational java unit problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder computational java unit problem") OR ("api python python python programming"))*.