Thailand and Germany have different culture. In Thai has collectivism culture group-orientation and social gatherings express a natural state of being because Thai people the relationship come first and Germany has individual culture privacy and temporary solitude are regarded as a given part of an individual’s realm.
In German culture conflicts are generally resolved via direct dialogue and argument. In Thai culture conflict by itself is regarded as a negative and unpleasant experience which is addressed indirectly via social influence and third-party mediation.
So we should cultural exchange , negotiating , joint problem-solving or maintaining harmonious relationships