Talvez debería tentar con algunhas variantes ortográficas:
"preparation from tridax" » "preparation _ tridax", "preparation a tridax", "preparation from trial"
"preparation from family" » "preparation _ family", "preparation a family"
"repartition du travail" » "repartition des travail", "preparation du travail"

Try widening your search to Todos os campos.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("preparation from tridax") or ("preparation from family"))) or ("repartition du travail"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("preparation from tridax") OR ("preparation from family"))) OR ("repartition du travail")).
• Removing quotes may allow a broader search: (((( preparation from tridax ) or ( preparation from family ))) or ( repartition du travail )).
• Adding a wildcard symbol may retrieve word variants: (((("preparation from tridax") or ("preparation from family"))) or ("repartition du travail"))*.