Perhaps you should try some spelling variations:
"partial disordered systems" » "partially disordered systems", "particle disordered systems", "partial disorder systems"
"partial layered systems" » "particles layered systems", "partial lateral systems", "partial laser systems", "partial centered systems"

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: (("partial layered systems") OR ("partial disordered systems")).
• Removing quotes may allow a broader search: (( partial layered systems ) or ( partial disordered systems )).
• Adding a wildcard symbol may retrieve word variants: (("partial layered systems") or ("partial disordered systems"))*.