Perhaps you should try some spelling variations:
"coder coder coverage control program" » "coder code coverage control program" (Expand search), "coder cancer coverage control program" (Expand search), "coder center coverage control program" (Expand search), "coder decoder coverage control program" (Expand search), "code code coverage control program" (Expand search), "decoder codec coverage control program" (Expand search)
"bias with python python programming" » "bias with pythons python programming" (Expand search), "bias with piton python programming" (Expand search), "bias with pitons python programming" (Expand search), "gas with python python programming" (Expand search), "aas with python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coverage control program\") OR (\"bias with python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder coverage control program ) OR ( bias with python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder coverage control program") OR ("bias with python python programming"))*.