Perhaps you should try some spelling variations:
maclairen » maclaurin (Expand Search), dmaclaren (Expand Search)
claren » laren (Expand Search), caren (Expand Search), clairen (Expand Search), clarken (Expand Search), claran (Expand Search)
clarence » larence (Expand Search), carence (Expand Search), lawrence (Expand Search), cadence (Expand Search), florence (Expand Search), clawrence (Expand Search), claurence (Expand Search), clarance (Expand Search), clairence (Expand Search), clarkence (Expand Search)
larence » lawrence (Expand Search), laurence (Expand Search), larance (Expand Search)
clare » claire (Expand Search), clarke (Expand Search), clara (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: london: (maclairen OR ((claren OR (clarence OR larence)) OR (clare OR clark))),~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "london: (maclairen OR ((claren OR (clarence OR larence)) OR (clare OR clark))),".
• Adding a wildcard symbol may retrieve word variants: london: (maclairen OR ((claren OR (clarence OR larence)) OR (clare OR clark))),*.