Perhaps you should try some spelling variations:
"federal taxes research project azrip." » "federal tax research project azrip.", "federal aids research project azrip.", "federal does research project azrip.", "federal taxes research project nrip.", "federal taxes research project aid.", "federal taxes research project larp."
"central bank research project ii." » "central a research project ii.", "central bank research project aid.", "central bank research project epi.", "central bank research project hci."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("federal taxes research project azrip.") or ("central bank research project ii."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("federal taxes research project azrip.") OR ("central bank research project ii.")).
• Removing quotes may allow a broader search: (( federal taxes research project azrip. ) or ( central bank research project ii. )).
• Adding a wildcard symbol may retrieve word variants: (("federal taxes research project azrip.") or ("central bank research project ii."))*.