Perhaps you should try some spelling variations:
change technical » science technical, centre technical, trade technical
document map » document markup, document image, document _
far change » four change, fast change, can change
document a » document _, document e, document id
curtan-metragem » curtain-metragem, curtin-metragem, cartan-metragem

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

• Performing a fuzzy search may retrieve terms with similar spellings: far change technical ((document a) or (document map)) curtan-metragem~.
• If you are trying to use Boolean operators, they must be ALL CAPS: far change technical ((document a) OR (document map)) curtan-metragem.
• Adding a wildcard symbol may retrieve word variants: far change technical ((document a) or (document map)) curtan-metragem*.