Perhaps you should try some spelling variations:
"coder and variable unit problem" » "coder and variable units problem" (Expand search), "coder and variables united problem" (Expand search), "coder and variable cubic problem" (Expand search), "coder _ variable unit problem" (Expand search), "code and variable unit problem" (Expand search), "codes and variable unit problem" (Expand search), "poder and variable 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 and variable unit problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder and variable unit problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder and variable unit problem") OR ("api python python python programming"))*.