Perhaps you should try some spelling variations:
"linear mode" » "linear model", "linear models", "bilinear model"
"line models" » "linear models", "murine models", "linear model", "linear modelss", "lines modells", "online models", "one models"
"line model" » "linear model", "linear models", "murine model", "lines modell", "online model", "one model"
"line mode" » "lines model", "online mode", "one mode"

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: (((("line mode") OR ("linear mode"))) OR ((("line models") OR ("line model")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"line mode\") or (\"linear mode\"))) or (((\"line models\") OR (\"line model\"))))".
• Removing quotes may allow a broader search: (((( line mode ) or ( linear mode ))) or ((( line models ) OR ( line model )))).
• Adding a wildcard symbol may retrieve word variants: (((("line mode") or ("linear mode"))) or ((("line models") OR ("line model"))))*.