Translation of limbo

The script I am writing will shuffle the 1.5 million words and it will detect if too many words are from the same user. And if an entry is too long, I will skip it and rely on the sentences that we can hopefully make up together.
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.
When I wanted to do my homework, I accidentally landed on Vocabulix and it caught me right from the beginning. Connecting with other users can be brilliant. Skyping with them, chatting and messaging. Great idea.