Perhaps you should try some spelling variations:
"4.4 browse" » "17.4 browse", "14 browse", "n.l browse"
"a.h brown" » "a.j brown", "a.b brown", "a.g brown"
"4.4 brown" » "14 brown", "4.4 brain", "4.4 broad"
"2.2 brown" » "a.j brown", "12 brown", "2.2 brain"
"34 brown" » "14 brown", "3 brown", "_ brown"

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: (("a.h brown") OR ((((((("4.4 brown") OR ("34 brown"))) OR ("4.4 browse"))) OR ("2.2 brown")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"a.h brown\") or (((((((\"4.4 brown\") OR (\"34 brown\"))) or (\"4.4 browse\"))) or (\"2.2 brown\"))))".
• Removing quotes may allow a broader search: (( a.h brown ) or ((((((( 4.4 brown ) OR ( 34 brown ))) or ( 4.4 browse ))) or ( 2.2 brown )))).
• Adding a wildcard symbol may retrieve word variants: (("a.h brown") or ((((((("4.4 brown") OR ("34 brown"))) or ("4.4 browse"))) or ("2.2 brown"))))*.