Search Usage

1. Support 3 parameter inquiry at most
2. Separate with the blank(only one blank) or the comma(,) between the parameters
   e.g.
   ibm,thinkpad
3. If content of the parameter includes blanks, can use and leave underline(_) to replace
   e.g.
   a parameter is "ThinkPad X Series" you can search for :"ThinkPad_X_Series"
   ThinkPad_X_Series
   IBM,ThinkPad_X_Series