Perhaps you should try some spelling variations:
"based computational using routing problem" » "and computational using routing problem" (Expand search), "by computational using routing problem" (Expand search), "based computation using routing problem" (Expand search), "based computations using routing problem" (Expand search), "based computacional usinas routing problem" (Expand search), "based computational using routine problem" (Expand search), "based computational nursing routing problem" (Expand search), "based computational using rotating problem" (Expand search)
"using modis python python programming" » "using modis pythons python programming" (Expand search), "using modis piton python programming" (Expand search), "using modis pitons python programming" (Expand search), "using codigos python python programming" (Expand search), "using codigo python python programming" (Expand search), "using modulo python python programming" (Expand search), "using mobile 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: (("based computational using routing problem") OR ("using modis python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computational using routing problem\") OR (\"using modis python python programming\"))".
• Removing quotes may allow a broader search: (( based computational using routing problem ) OR ( using modis python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based computational using routing problem") OR ("using modis python python programming"))*.