Perhaps you should try some spelling variations:
"image compression using reference array" » "data compression using reference array" (Expand search), "image compression in reference array" (Expand search), "image expression using reference array" (Expand search), "image compression molding reference array" (Expand search), "image compression using reference area" (Expand search), "image compression using reference areas" (Expand search), "image compression using reference cardiac" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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 using reference array") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"image compression using reference array\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( image compression using reference array ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("image compression using reference array") OR ("using coding python python programming"))*.