Perhaps you should try some spelling variations:
"using fpga using sampling errors" » "using fpga using sampling error" (Expand search), "using fpga using sampling effort" (Expand search), "using fpga using spelling errors" (Expand search), "using fpga using subsampling errors" (Expand search), "using fpga using saline errors" (Expand search), "using fpga using samples errors" (Expand search), "using fia using sampling errors" (Expand search), "using fpgas using sampling errors" (Expand search), "using 68ga using sampling errors" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using fpga using sampling errors\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using fpga using sampling errors ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using fpga using sampling errors") OR ("using coding python python programming"))*.