Posting in the Magento forums has been disabled pending the implementation of a new and improved forum solution which should better serve the community.
For new questions please post at magento.stackexchange.com, the community-run support site for the Magento community. We will be providing updates on the new forum solution soon. For questions or concerns please email firstname.lastname@example.org.
In fact, default Magento search is not perfect. Very often a user doesn’t find what he was looking for and leaves the store. Good decision is to integrate the Sphinx search engine. It greatly improves the quality and relevance of search results. Look at Sphinx Search Ultimate