Perhaps you should try some spelling variations:
"coder decoder string robots programming" » "coder decoder string robot programming" (Expand search), "coder decoder using robots programming" (Expand search), "encoder decoder string robots programming" (Expand search), "video decoder string robots programming" (Expand search), "coder decoder serving robots programming" (Expand search), "coder decoder nursing robots programming" (Expand search), "coder decoder sailing robots programming" (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 decoder string robots programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder string robots programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder string robots programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder string robots programming") OR ("api python python python programming"))*.