Eich chwiliad - international convention based ((((decision 3) or (decision de))) or (decision _)) liburd* - ddim yn cyfateb ag unrhyw adnoddau

Efallai y dylech gynnig rhai amrywiadau sillafu:
international convention » international cooperation, international context, international communication
convention based » contention based, conversion based, conversation based
decision de » decision a, decision game, decision aids
decision 3 » decision a, decision 7, decision 8

Efallai y cewch fwy o ganlyniadau drwy addasu'ch ymholiad chwilio.