AND - Results contain both words. Example: controllers AND converters
OR - Results contain either of the words. Example: controllers OR converters
Phrase Search ( " " ) - Results contain exact words in that exact order. Example: "npn bipolar transistor"
Fill in the Blanks - Wildcard ( * ) - Results contain various forms of words sharing common roots or stems. The symbol (*) represents additional letters or
characters Example: "NCP*"
Exclude Terms ( - ) - Results do not contain the term immediately following it (do not add a space after the -). Example: "npn -pnp"
Search Exactly As Is ( + ) - Results contain the exact term immediately following it (do not add a space after the +). Example: "npn +pnp"