Perhaps you should try some spelling variations:
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api python python python programming" (Expand search)
"coder coder decoder using pruning" » "coder encoder decoder using pruning" (Expand search), "coder coder disorder using pruning" (Expand search), "coder coder decoding using pruning" (Expand search), "coder coder cover using pruning" (Expand search), "code code decoder using pruning" (Expand search), "decoder codec decoder using pruning" (Expand search), "codesc poder decoder using pruning" (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 coder decoder using pruning\") OR (\"api pythons python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder decoder using pruning ) OR ( api pythons python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder decoder using pruning") OR ("api pythons python python programming"))*.