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