Talvez debería tentar con algunhas variantes ortográficas:
irrigation equipment » purification equipment, irrigation development, application equipment
equipment patents » equipment patient, equipment stents, equipment parts
functions ernst » functions ferns, functions error, functions event
functions euler » functions error, functions e.l, functions ecole

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

• Performing a fuzzy search may retrieve terms with similar spellings: irrigation equipment patents ((functions ernst) or (functions euler)) liver~.
• If you are trying to use Boolean operators, they must be ALL CAPS: irrigation equipment patents ((functions ernst) OR (functions euler)) liver*.