Use Wildcards to perform a search specifying only partial symbols.
Steps
Click the search editing field.
Type or insert any simple
or compound symbol into the search editing field.
Use the arrow keys or the mouse to move the cursor to the
point where you want to insert the wildcard.
Choose the Insert Simple Wildcard(?) button on the tool
bar to have items found that contain a simple symbol at the wildcard location or
Choose the Insert Compound Wildcard(??) button on the tool bar to have items
found that contain a simple or even a compound symbol at the wildcard location.
Notice: Make sure you choose a proper match
mode with your wildcard choice.