ascertained, descried, detected, determined, discovered, dug out, dug up, ferreted (out), found, found out, got, hit (on or upon), hunted (down or up), learned, located, nosed out, ran down, rooted (out), routed (out), rummaged, scared up, scouted (up), tracked (down), turned up

espied, sighted, spottedlooked for, searched (for or out), sought

missed, overlooked, passed over

lost, mislaid, misplaced, misset(or mis-set)