Perhaps you should try some spelling variations:
"coder decoder on algorithm complexity" » "coder decoder on algorithms complexity" (Expand search), "coder decoder on algorithmic complexity" (Expand search), "encoder decoder on algorithm complexity" (Expand search), "coder decoder an algorithm complexity" (Expand search), "coder decoder in algorithm complexity" (Expand search), "coder decoder _ algorithm complexity" (Expand search), "coder decoder sp algorithm complexity" (Expand search)
"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)

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 decoder on algorithm complexity\") OR (\"api pythons python python programming\"))~".
• Removing quotes may allow a broader search: (( coder decoder on algorithm complexity ) OR ( api pythons python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder decoder on algorithm complexity") OR ("api pythons python python programming"))*.