Perhaps you should try some spelling variations:
"coder precoder exercisers logic programming" » "coder reader exerciser logic programming" (Expand search), "coder precoder exercisers basic programming" (Expand search), "coder precoder exercicios logico programming" (Expand search), "coder precoder exercise caloric programming" (Expand search), "coder decoder exercisers logic 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 exercisers logic programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder exercisers logic programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder exercisers logic programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder exercisers logic programming") OR ("api python python python programming"))*.