Perhaps you should try some spelling variations:
"coder coder _ database using" » "coder coder _ databases using" (Expand search), "coder coder _ database tuning" (Expand search), "coder coder _ database in" (Expand search), "coder decoder _ database using" (Expand search), "code code _ database using" (Expand search), "decoder codec _ database using" (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 _ database using") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ database using\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder _ database using ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ database using") OR ("api python python python programming"))*.