Correct sentences are:
1. There
is no help or services available.
2. Yes, both are right...
Here is the actual rule (source: webster site):
The conjunction or does not conjoin (as and does):
when nor or or is used the subject closer to the verb determines the number of the verb. Whether the subject comes before or after the verb doesn't matter; the proximity determines the number.
* Either my father or
my brothers are going to sell the house.
* Neither my brothers nor
my father is going to sell the house.
*
Are either
my brothers or my father responsible?
*
Is either
my father or my brothers responsible?