Perhaps you should try some spelling variations:
bom » boom, bohm
bombo » boombo, bohmbo, bombeo, bomba, bobo
bomboa » boomboa, bohmboa, bombeoa, bombaa, boboa, bombona, bomba, bombon
bomar » boomar, bohmar, omar, tomar, gomar
robo » rojo, rob
cobo » como, cabo, coro
cobro » coro, cobra
mono » modo, mano, mino

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: "box-office ((bom OR (robo OR (bombo OR ((cobo OR cobro) OR mono)))) OR (bomboa OR bomar))~".
• Adding a wildcard symbol may retrieve word variants: box-office ((bom OR (robo OR (bombo OR ((cobo OR cobro) OR mono)))) OR (bomboa OR bomar))*.