Perhaps you should try some spelling variations:
"coder precoder machine algorithm complexity" » "coder precoder machine algorithms complexity" (Expand search), "coder precoder machine algorithmic complexity" (Expand search), "coder precoder matching algorithm complexity" (Expand search), "coder precoder teaching algorithms complexity" (Expand search), "coder precoder exchange algorithm complexity" (Expand search), "coder packer machine algorithm complexity" (Expand search), "coder precoder scheme algorithm complexity" (Expand search), "coder decoder machine algorithm complexity" (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 precoder machine algorithm complexity") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder machine algorithm complexity\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder machine algorithm complexity ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder machine algorithm complexity") OR ("api python python python programming"))*.