Perhaps you should try some spelling variations:
"image compression and generalized array" » "data compression and generalized array" (Expand search), "image compression and generalized arma" (Expand search), "image compression and generalized airy" (Expand search), "image compression and generalized early" (Expand search), "image comprehension and generalized array" (Expand search), "image compression of generalized array" (Expand search), "image compression in generalized array" (Expand search), "image compression _ generalized array" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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: (("image compression and generalized array") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"image compression and generalized array\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( image compression and generalized array ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("image compression and generalized array") OR ("using python python python programming"))*.