Perhaps you should try some spelling variations:
"coder precoder scheffer java programming" » "coder precoder scheme java programming" (Expand search), "coder precoder scheffer and programming" (Expand search), "coder precoder scheffer based programming" (Expand search), "coder precoder scheffer goal programming" (Expand search), "coder decoder scheffer java programming" (Expand search), "coder precoder scheffer ana programming" (Expand search), "coder precoder scheffer mara programming" (Expand search), "coder precoder scheffer flavia programming" (Expand search)
"api pitons python python programming" » "api pitons pythons python programming" (Expand search), "api pitons piton python programming" (Expand search), "api pitons pytm python programming" (Expand search), "api citons python python programming" (Expand search), "api pitoni python python programming" (Expand search), "api pitoes 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 scheffer java programming") OR ("api pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder scheffer java programming\") OR (\"api pitons python python programming\"))*".
• Removing quotes may allow a broader search: (( coder precoder scheffer java programming ) OR ( api pitons python python programming ))*.