Perhaps you should try some spelling variations:
"coder precoder semantics teaching programming" » "coder precoder semantics teaching program" (Expand search), "coder prosody semantics teaching programming" (Expand search), "coder precoder semantic bleaching programming" (Expand search), "coder precoder kinematics teaching programming" (Expand search), "coder precoder gymnastics teaching programming" (Expand search), "coder decoder semantics teaching 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 precoder semantics teaching programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder semantics teaching programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder semantics teaching programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder semantics teaching programming") OR ("api python python python programming"))*.