Translation of dazwischenkommen

A word might have one meaning in Mexico, and a totally other meaning in Columbia or in Venezuela. Let me check the words that are already translated before doing anything. I will try to add the other points tomorrow.
Short question: when searching Spanish numbers, what would you write in Google? In Spanish, of course? In English I would write: 'spanish numbers' and not 'numbers in spanish'. The results are almost the same.
I have learned German for one year and I would like to intensify my studies. Do not know how yet... It is very difficult at my age to start new projects in life. I am over 75, did I tell ya...