после двух недель она нашла хорошую

после двух недель она нашла хорошую школу языка и так она начала улучшать свой испанский

Результаты (английский) 1:

After two weeks, she found a school of language, and so she started to improve your Spanish

Результаты (английский) 2:

After two weeks she found a good language school, and so she began to improve his Spanish

Результаты (английский) 3:

After two weeks it has been a good school language, and so it began to improve their Spanish