Perhaps you should try some spelling variations:
"coder precoder presented c programming" » "coder poder presentes c programming" (Expand search), "coder recordar presente c programming" (Expand search), "coder decoder presented c programming" (Expand search), "coder precoder presented _ programming" (Expand search), "coder precoder presented cone programming" (Expand search), "coder precoder presented and programming" (Expand search), "coder precoder presented by programming" (Expand search), "coder precoder presented in 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 presented c programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder presented c programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder presented c programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder presented c programming") OR ("api python python python programming"))*.