Perhaps you should try some spelling variations:
"mobile learning method algorithm" » "mobile learning mom algorithm", "machine learning method algorithm", "mobile learning methods algorithm", "mobile graining methods algorithm", "mobile learning emotion algorithm"
"modified objective allocation algorithmss" » "modified objective location algorithmss", "modified objective allocation algorithms", "modified objective allocation algorithmic"

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: (("mobile learning method algorithm") OR ("modified objective allocation algorithmss"))~.
• Removing quotes may allow a broader search: (( mobile learning method algorithm ) or ( modified objective allocation algorithmss ))~.
• Adding a wildcard symbol may retrieve word variants: (("mobile learning method algorithm") or ("modified objective allocation algorithmss"))*.