The phrase "a huge and complex" is correct and usable in written English.
It can be used to describe something that is both large in size or scope and intricate in nature.
Example: "The project we are undertaking is a huge and complex endeavor that will require extensive planning and collaboration."
Alternatives: "a vast and intricate" or "a large and complicated".
Addressing the global obesity epidemic is a huge and complex challenge that we all must face.
Natural language processing is a huge and complex domain, and still very difficult to do right.
Status is a huge and complex topic that psychologists and sociologists are still trying to understand.
"The autism epidemic is a huge and complex puzzle which impacts hundreds of thousands of children and families," said Bearman.
But the groups say that foreign experts would bring crucial knowledge and experience to a huge and complex task.
Tackling these environmental issues is a huge and complex task but improvement can realise significant financial, social and environmental dividends.
Part of the reason that the 1996 Telecommunications Act has produced only small crumbs of competition is that restructuring a huge and hugely complex market takes time.
That is the assessment of American defense officials and military analysts close to the Pentagon, who say that an Israeli attack meant to set back Iran's nuclear program would be a huge and highly complex operation.
Perhaps these discrepancies were all the more pervasive in a huge and culturally complex empire, with very slow communications.
(Marvel's longtime nemesis, DC Comics, has an equally huge and complex universe, but Marvel got a head start — DC's Superman and Batman, introduced in 1938 and 1939, respectively, didn't actively team up until the '50s).
But Indonesia is a huge, varied and complex place, and the radicals even though some have a semi-official platform are a small and not very influential minority.
