Perhaps you should try some spelling variations:
"coder detection using precoder program" » "coder detection using proder program" (Expand search), "coder detection using recovery program" (Expand search), "coder detection using precoce programa" (Expand search), "code detection using precoder program" (Expand search), "border detection using precoder program" (Expand search), "corner detection using precoder program" (Expand search), "coder detection using proper program" (Expand search)
"spi in python python programming" » "spi in pythons python programming" (Expand search), "spi in piton python programming" (Expand search), "spi in pitons python programming" (Expand search), "spi _ 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: (("coder detection using precoder program") OR ("spi in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder detection using precoder program\") OR (\"spi in python python programming\"))*".
• Removing quotes may allow a broader search: (( coder detection using precoder program ) OR ( spi in python python programming ))*.