Perhaps you should try some spelling variations:
"coder and coverage problem study" » "coder and covering problem study" (Expand search), "coder and cover problem study" (Expand search), "coder and covering problems study" (Expand search), "coder and coverage problems study" (Expand search), "coder and coverage problem estudo" (Expand search), "coder and coverage probe study" (Expand search), "code and coverage problem study" (Expand search), "codes and coverage problem study" (Expand search), "poder and coverage problem study" (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 coverage problem study\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder and coverage problem study ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder and coverage problem study") OR ("api python python python programming"))*.