Perhaps you should try some spelling variations:
credits creating » credit creating, credit rating, creation creating
change scoping » change becoming, change mapping, change helping
change coping » change mowing, change comparing, change becoming
3 credits » _ credits, 3 credit, 3.3 credits
nana yaa » nan ya, nan yan
nanay a » nancy a

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: dong ((nana yaa) OR (nanay a)) 3 credits creating ((change coping) OR (change scoping)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong ((nana yaa) OR (nanay a)) 3 credits creating ((change coping) or (change scoping)) shu ;~".
• Adding a wildcard symbol may retrieve word variants: dong ((nana yaa) OR (nanay a)) 3 credits creating ((change coping) or (change scoping)) shu ;*.