Perhaps you should try some spelling variations:
"coder the complexity java programing" » "coder the complexity data programing" (Expand search), "coder the complexity and programing" (Expand search), "coder the complexity an programing" (Expand search), "coder the complexity java programming" (Expand search), "coder the complexity java programs" (Expand search), "coder the complexity meta programming" (Expand search), "code the complexity java programing" (Expand search), "cover the complexity java programing" (Expand search), "poder the complexity java programing" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "using _ 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 the complexity java programing") OR ("using in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder the complexity java programing\") OR (\"using in python python programming\"))".
• Removing quotes may allow a broader search: (( coder the complexity java programing ) OR ( using in python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder the complexity java programing") OR ("using in python python programming"))*.