Perhaps you should try some spelling variations:
filosofia le » filosofia de, filosofia e, filosofia del
filosofia la » filosofia da, filosofica da, filosofia das
best peer » best peere, best paper, best pre
best peep » best speed, best peere, best pre
studie 4 » studie 2, studie _, studie 1

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: ((best peer) OR (best peep)) studie 4 ((filosofia la) OR (filosofia le)) literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((best peer) or (best peep)) studie 4 ((filosofia la) OR (filosofia le)) literatura".
• Adding a wildcard symbol may retrieve word variants: ((best peer) or (best peep)) studie 4 ((filosofia la) OR (filosofia le)) literatura*.