Perhaps you should try some spelling variations:
"human-computer integration series" » "human-computer interaction series", "human-computer interactions series", "human-computer integrated series", "human-computer integration services", "human-computer integration server", "human-computer integration theories"
"human-computer interaktion services" » "human-computer interaction services", "human-computers interactive services", "human-computer information services", "human-computer integration services", "human-computer interaction service"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("human-computer integration series") OR ("human-computer interaktion services")).
• Removing quotes may allow a broader search: (( human-computer integration series ) or ( human-computer interaktion services )).
• Adding a wildcard symbol may retrieve word variants: (("human-computer integration series") or ("human-computer interaktion services"))*.