Perhaps you should try some spelling variations:
"applied economics systems" » "applied economics system", "applied economical systems", "applied economic system", "applied econometricss systems", "applied ecologys systems"
"applied economic systems" » "applied econometrics systems", "applied ecology systems", "applied economic sectors"
"applied dynamic systems" » "applied dynamics systems", "applied dynamical systems", "applying dynamic 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: (("applied dynamic systems") OR ((("applied economic systems") OR ("applied economics systems")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"applied dynamic systems\") or (((\"applied economic systems\") OR (\"applied economics systems\"))))".
• Removing quotes may allow a broader search: (( applied dynamic systems ) or ((( applied economic systems ) OR ( applied economics systems )))).
• Adding a wildcard symbol may retrieve word variants: (("applied dynamic systems") or ((("applied economic systems") OR ("applied economics systems"))))*.