The phrase "adding hints" is correct and usable in written English.
You can use it when referring to the act of providing additional information or clues to help someone understand or solve a problem.
Example: "The teacher is adding hints to the lesson to help students grasp the complex concepts more easily."
Alternatives: "providing clues" or "offering suggestions".
An encore, Mr. Jacobsen's "Brooklesca," upped the cross-cultural ante, adding hints of Yiddish dance music.
This judgment was voiced although Willem de Kooning and Jackson Pollock were adding hints of figuration to their action paintings by the mid 1950's.
In "Furbelow," Ms. Moyer brings out the inner goddess of a curving Jomon period Japanese vase by adding hints of nipples to its top.
This Long Island emo band plays modified pop-punk songs, adding hints of ferocity and chaos to its rather straightforward songs.
In any case, Fleming only began adding hints of a Scottish ancestry to 007's backstory after the extraordinary success of Sean Connery's first movie as Bond, Dr No, in 1962.
While it's no surprise that "Greenery" represents a deep connection with nature, it extends beyond adding hints of foliage, beloved succulents, and lush flora to your living space ― it's a subtle glimpse toward growth, renewal and the future.
Melting, mostly illegible words absorbed into dazzling mandala patterns add hints of hallucinogenic paranoia.
Mr. Marsalis's two compositions added hints of Brazil to his ever-broadening quilt of Americana.
Time and again, Eggers adds hints of the Biblical, to thicken the air of piety that these people breathe.
He painted the resulting reliefs in saturated, high-contrast colors, producing zany, optically electric, near-abstract mandalas with subliminal messages that added hints of hallucinogen-induced paranoia.
For the rest of the night, drifting on and offstage, she added hints of cool refinement and (to a lesser degree) sensuous comfort.
