Perhaps you should try some spelling variations:
"code code grid computing problem" » "code code grid routing problem" (Expand search), "code code grid computing program" (Expand search), "code code grid coping problem" (Expand search), "code cdc grid computing problem" (Expand search), "code rede grid computing problem" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python 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: "((\"code code grid computing problem\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( code code grid computing problem ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("code code grid computing problem") OR ("in python python python programming"))*.