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 basic research project hci." » "central bank research project hci.", "central asia research project hci.", "central banks research project hci.", "central basic research project epi.", "central basic research project ii.", "central basic research project nrip."

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