Perhaps you should try some spelling variations:
"coder computer and coverage problem" » "coder computer and covering problem" (Expand search), "coder computer and cover problem" (Expand search), "coder computer and covering problems" (Expand search), "model computer and coverage problem" (Expand search), "color computer and coverage problem" (Expand search), "node computer and coverage problem" (Expand search), "coder computer aided coverage 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 computer and coverage problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder computer and coverage problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder computer and coverage problem") OR ("api python python python programming"))*.