Deng remained in Chicago recovering from aftereffects from a spinal tap to test for spinal meningitis. He's no longer in a hospital and is considered "day to day" for Game 3 on Friday in Chicago.
"I don't want to speculate on (Deng playing Friday)," Thibodeau said. "He did a little bit (Tuesday). He's still not feeling great, did a little more today, so we'll see where he is (Thursday)."
Thibodeau said Deng did some shooting on Tuesday but on Wednesday "it was just more walking around."
After the Bulls won Game 1 on Monday, Deng tweeted a picture of himself in a hospital bed with the caption: "So proud of my team, man. This bed might be good luck after all."
Deng has missed the past three games.
Hinrich, who has missed the past four, is still battling back from a bruised calf.
"It's just day to day, so they have to concentrate on trying to get back, work on their rehab, and then the guys that are here just focus on what we have to get back," Thibodeau said of Deng and Hinrich.
On Tuesday, Hinrich said: "The swelling and stuff is looking better. The coloring of it is looking better. But as far as functioning right now, moving, I'm still having lots of trouble." He said he'll "just keep getting treatment and go from there."
Thibodeau also said nothing has changed regarding the status of Derrick Rose, who has not ruled out the possibility of making his season debut during this series.
Thibodeau smiled Tuesday when asked by ESPN if Rose would return in the series.
"We'll see. You never know," he said.
ESPNChicago.com's Nick Friedell contributed to this story.