Perhaps you should try some spelling variations:
summa » summar (Expand Search), samma (Expand Search), sukma (Expand Search)
suma » sum (Expand Search), sama (Expand Search), sma (Expand Search)
suman » sumn (Expand Search), saman (Expand Search), sman (Expand Search), human (Expand Search), susan (Expand Search)
sam » same (Expand Search)
sammah » samemah (Expand Search), samah (Expand Search), jammah (Expand Search), samma (Expand Search)
samarh » samearh (Expand Search), samarah (Expand Search), samah (Expand Search), samara (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 (((suma OR sam) OR suman) OR (sammah OR samarh)))~".
• Adding a wildcard symbol may retrieve word variants: karachi : (summa OR (((suma OR sam) OR suman) OR (sammah OR samarh)))*.