Perhaps you should try some spelling variations:
"coder computing using coverage problem" » "coder computing using covering problem" (Expand search), "coder computing using cover problem" (Expand search), "coder computing using covering problems" (Expand search), "modern computing using coverage problem" (Expand search), "model computing using coverage problem" (Expand search), "power computing using coverage problem" (Expand search), "coder computing ufcg coverage problem" (Expand search), "coder computing using average problem" (Expand search), "coder computing testing coverage problem" (Expand search), "coder computing funding 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 computing using coverage problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder computing using coverage problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder computing using coverage problem") OR ("api python python python programming"))*.