This will give you a good insight of the targets BOS(Business Operation
Software) and sometimes their supply chain.
also try:
newcomer "training" intitle:index.of ext:doc | pdf | xls |docx |xlsx
hr | admin "training" intitle:index.of ext:doc | pdf | xls |docx |xlsx
1st level support "training" intitle:index.of ext:doc | pdf | xls |docx
|xlsx
suppervisor "training" intitle:index.of ext:doc | pdf | xls |docx |xlsx
engineer "training" intitle:index.of ext:doc | pdf | xls |docx |xlsx
You can also replace "training" with "exercise" or "education"
Bruno Schmid
https://ch.linkedin.com/in/schmidbruno