Looking on the internet deeply has found these results:

didn't have is the most popular phrase on the web.

didn't had 12,870,000 results on the web	didn't have 17,880,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Could you tell me, please, when do we use "didn't have" and when "hadn't" in statements? Why it's "they didn't have much" Oct 26, 2014 ... "I didn't have breakfast" is correct. After the auxiliary verb DO, we use the bare infinitive of the full verb, not a tensed form. "I didn't had breakfast"�... Jun 29, 2008 ... In general "didn't have enough" would be used. E.g. "I didn't have enough money to buy it". You may see "had not enough" in written English�... not "they hadn't�... May 4, 2013 ... In the last two weeks I didn't have much time. In the last two weeks I haven't had much time. If both are correct, are they different in meaning?

didn't had

12,870,000 results on the web

didn't have

17,880,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Could you tell me, please, when do we use "didn't have" and when "hadn't" in statements? Why it's "they didn't have much"
Oct 26, 2014 ... "I didn't have breakfast" is correct. After the auxiliary verb DO, we use the bare infinitive of the full verb, not a tensed form. "I didn't had breakfast"�...
Jun 29, 2008 ... In general "didn't have enough" would be used. E.g. "I didn't have enough money to buy it". You may see "had not enough" in written English�...
not "they hadn't�...
May 4, 2013 ... In the last two weeks I didn't have much time. In the last two weeks I haven't had much time. If both are correct, are they different in meaning?