Perhaps you should try some spelling variations:
"coder code coverage of progtest" » "coder care coverage of progtest" (Expand search), "coder and coverage of progtest" (Expand search), "coder the coverage of progtest" (Expand search), "coder code coverage of protest" (Expand search), "coder code coverage of progest" (Expand search), "coder code coverage of progress" (Expand search), "code code coverage of progtest" (Expand search), "modern code coverage of progtest" (Expand search), "color code coverage of progtest" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 code coverage of progtest\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code coverage of progtest ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code coverage of progtest") OR ("_ python python python programming"))*.