Perhaps you should try some spelling variations:
"coder decoder theorem in programming" » "coder cover theorem in programming" (Expand search), "coder decoder theorem and programming" (Expand search), "coder decoder theorem _ programming" (Expand search), "coder decoder theorem c programming" (Expand search), "encoder decoder theorem in programming" (Expand search), "video decoder theorem in programming" (Expand search), "coder decoder theorem of 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 decoder theorem in programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder theorem in programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder theorem in programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder theorem in programming") OR ("api python python python programming"))*.