Perhaps you should try some spelling variations:
"coder coverage path sampling program" » "coder coverage path labeling program" (Expand search), "coder coverage path smoking program" (Expand search), "coder coverage path jumping program" (Expand search), "code coverage path sampling program" (Expand search), "cancer coverage path sampling program" (Expand search), "center coverage path sampling program" (Expand search), "coder coverage and sampling program" (Expand search), "coder coverage data sampling program" (Expand search), "coder coverage with sampling program" (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 coverage path sampling program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coverage path sampling program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coverage path sampling program") OR ("api python python python programming"))*.