Perhaps you should try some spelling variations:
"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)
"coder code coverage in dbms" » "coder care coverage in dbms" (Expand search), "coder and coverage in dbms" (Expand search), "coder the coverage in dbms" (Expand search), "coder code coverage of dbms" (Expand search), "code code coverage in dbms" (Expand search), "modern code coverage in dbms" (Expand search), "color code coverage in dbms" (Expand search), "coder code coverage in dams" (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 code coverage in dbms\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code coverage in dbms ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code coverage in dbms") OR ("api python python python programming"))*.