Perhaps you should try some spelling variations:
"coder coder estimating coverage of" » "coder coder estimating average of" (Expand search), "coder coder estimating forage of" (Expand search), "coder coder estimated coverage of" (Expand search), "coder model estimating coverage of" (Expand search), "coder older estimating coverage of" (Expand search), "coder cost estimating coverage of" (Expand search), "coder decoder estimating coverage of" (Expand search), "code code estimating coverage of" (Expand search), "decoder codec estimating coverage of" (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)

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

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