Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
et developpements » et developpement, des developpements, en developpement
developpements de » developpement de, developpement des, developpement du
technologie a » technologie c, technologie 3, technologie 6
total labor » local labor, total factor
de america » _ america, en america, desde america
series et » series e, series new, series ein
a total » _ total
act 2 » act _, act 4, act 1
art 2 » part 2, art _, art 3

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: "technologie a total labor ((act 2) OR (art 2)) communications series et developpements de america.~".
• Adding a wildcard symbol may retrieve word variants: technologie a total labor ((act 2) OR (art 2)) communications series et developpements de america.*.