2
1. integrate templates for search (2.018)...improve it more for easy template modification
http://www.dugris.info/modules/wfdownloads/singlefile.php?cid=14&lid=55
2. Search Block with drop down - select module and click search..or search per module...
easy way to integrate a search block in a module that will only search in the module
3. integration with Google Search such as in happy search
http://linux2.ohwada.net/modules/news/article.php?storyid=3
4. Ajax