Perhaps you should try some spelling variations:
"costa i ont, joan." » "costa e ont, joan." (Expand Search), "costa y ont, joan." (Expand Search), "costa i font, joan." (Expand Search)
"costa de ont, joan." » "costa de oit, joan." (Expand Search), "costa de ona, joan." (Expand Search), "costa de ong, joan." (Expand Search)