Perhaps you should try some spelling variations:
diritto tributario » tirant tributario, derecho tributario, ambito tributario
credito tributario » codigo tributario
dret tributaria » ley tributaria, gaceta tributaria, deuda tributaria
tributario » tributariaso, tributarioso, tributano
tributaria » tributariasa, tributariosa, tributana
tributari » tributarias, tributarios, tributan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((diritto tributario) or (credito tributario))) or (((dret tributaria) or (dret tributari))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((diritto tributario) OR (credito tributario))) OR (((dret tributaria) OR (dret tributari)))).
• Adding a wildcard symbol may retrieve word variants: ((((diritto tributario) or (credito tributario))) or (((dret tributaria) or (dret tributari))))*.