Perhaps you should try some spelling variations:
transformations les » transformations des, transformations de, transformations he
transfers haar » transfers have, transform haar, transfers labor
guide de » guide _, guide a, guide 1
les cas » des cas, les cles
de food » one food, use food
3 les » 1 les, 5 les

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( guias ((3 les) OR (2 les)) transformations les cas ) OR ( guide de food transfers haar a ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( guias ((3 les) OR (2 les)) transformations les cas ) or ( guide de food transfers haar a ))~".
• Adding a wildcard symbol may retrieve word variants: (( guias ((3 les) OR (2 les)) transformations les cas ) or ( guide de food transfers haar a ))*.