Perhaps you should try some spelling variations:
"code coverage channel convex programming" » "code coverage channel cone programming" (Expand search), "code coverage channel computer programming" (Expand search), "code average channel convex programming" (Expand search), "code coverage change convex programming" (Expand search), "code covert channel convex programming" (Expand search), "code coverage channel codes programming" (Expand search), "code coverage channel confined programming" (Expand search), "code coverage channel consumer programming" (Expand search), "care coverage channel convex programming" (Expand search), "and coverage channel convex programming" (Expand search), "the coverage channel convex programming" (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), "manim python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("code coverage channel convex programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code coverage channel convex programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( code coverage channel convex programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("code coverage channel convex programming") OR ("api python python python programming"))*.