Perhaps you should try some spelling variations:
"coder code coverage buffer function" » "coder code cover buffer function" (Expand search), "coder code coverage buffering function" (Expand search), "coder code coverage leffler function" (Expand search), "coder code coverage euler function" (Expand search), "coder care coverage buffer function" (Expand search), "coder and coverage buffer function" (Expand search), "coder the coverage buffer function" (Expand search), "code code coverage buffer function" (Expand search), "modern code coverage buffer function" (Expand search), "color code coverage buffer function" (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 buffer function\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code coverage buffer function ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code coverage buffer function") OR ("_ python python python programming"))*.