Forse hai sbagliato a scrivere i termini di ricerca:
communication adhesion » communication cohesion, communication aggression, communication affection
relational database » relational databases
database optimized » databases optimizing, database optimising, database limited
from relational » from national, from traditional
adhesion from » adhesive from, adhesion force, adhesives from

Potresti ottenere più risultati modificando la stringa di ricerca.

• Utilizzare caratteri jolly permette di reperire forme varianti dei termini: communication adhesion from relational database optimized*.