In the Hadith it is difficult to use search function if the word is a common one or if I am not sure of the exact words in the hadith (but some similar meaning / phrase I recall). Please include google search engine as well as it can understand better (if I google hadith sunnah and write some phrases that it is able to pinpoint the relevant hadith most of the times) or you could use any other search engine as well that would do the job! Jazak Allah Khair!