Perhaps you should try some spelling variations:
"coder precoder class c programming" » "coder decoder class c programming" (Expand search), "coder precoces classe c programming" (Expand search), "coder recovery class c programming" (Expand search), "coder proper class c programming" (Expand search), "coder precoder class _ programming" (Expand search), "coder precoder class cone programming" (Expand search), "coder precoder class and programming" (Expand search), "coder precoder class 1 programming" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder precoder class c programming") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder class c programming\") OR (\"api pythons python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder class c programming ) OR ( api pythons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder class c programming") OR ("api pythons python python programming"))*.