Perhaps you should try some spelling variations:
"adc converter" » "adc converters", "dc converter", "ac converter", "addc converter", "adac converter", "adlc converter"
"dlc converter" » "dc converter", "d.c converter", "lc converter", "dldc converter", "dlac converter", "dllc converter"
"c converter" » "dc converter", "ac converter", "lc converter"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("c converter") OR ("adc converter"))) OR ("dlc converter")).
• Removing quotes may allow a broader search: (((( c converter ) or ( adc converter ))) or ( dlc converter )).
• Adding a wildcard symbol may retrieve word variants: (((("c converter") or ("adc converter"))) or ("dlc converter"))*.