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