Perhaps you should try some spelling variations:
"coder coder modeling concurrent programming" » "coder coder modeling constraint programming" (Expand search), "coder coder modeling current programming" (Expand search), "coder coder during concurrent programming" (Expand search), "coder coder modeling concrete programming" (Expand search), "coder cover modeling concurrent programming" (Expand search), "coder cover modelling concurrent programming" (Expand search), "coder order modeling concurrent programming" (Expand search), "coder decoder modeling concurrent programming" (Expand search), "code code modeling concurrent programming" (Expand search), "decoder codec modeling concurrent programming" (Expand search)
"api on python python programming" » "api on pythons python programming" (Expand search), "api on piton python programming" (Expand search), "api on pitons python programming" (Expand search), "api in python python programming" (Expand search), "api of python python programming" (Expand search), "api _ python python programming" (Expand search), "ipi on python python programming" (Expand search), "api an python python programming" (Expand search), "cpi on 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 modeling concurrent programming") OR ("api on python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder modeling concurrent programming\") OR (\"api on python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder modeling concurrent programming ) OR ( api on python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder modeling concurrent programming") OR ("api on python python programming"))*.