However, subsequent searches for specific place names proved so complicated that I resorted to my phone. (cnet.com)
Dr. Lupton noted that they had only found one such study, but that they might find others when they do subsequent searches by type of carbohydrate. (health.gov)
Subsequent searches employing spectrophotometry and a coronographic survey also failed to find other companion objects (Oetiker et al, 2001; and Oppenheimer et al, 2001). (solstation.com)