Perhaps you should try some spelling variations:
summa » summar (Expand Search), suma (Expand Search), sukma (Expand Search)
lsummary » lsummarry (Expand Search), lsumary (Expand Search), lsukmary (Expand Search), summary (Expand Search), summar (Expand Search)
samarh » samarah (Expand Search), samah (Expand Search), samara (Expand Search)
sammah » samah (Expand Search), jammah (Expand Search), gammah (Expand Search), salmah (Expand Search)
sammarh » samarh (Expand Search), gammarh (Expand Search), salmarh (Expand Search)
samma » sama (Expand Search), gamma (Expand Search), salma (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "karachi : (summa OR ((lsummary OR (sammarh OR samarh)) OR (sammah OR samma)))~".
• Adding a wildcard symbol may retrieve word variants: karachi : (summa OR ((lsummary OR (sammarh OR samarh)) OR (sammah OR samma)))*.