Wrong word order.
In example 1, “nowadays” is an adverbial that depends on the verb “neglected”, not on “government’s urban planning”.
In example 2, “how bad is the weather” is the structured in the form of a question, not a statement.
 

 

WRONG
RIGHT

1.

The development of culture is entirely neglected in nowadays government’s urban planning.

The development of culture is entirely neglected in the government’s urban planning nowadays.

2.

No matter how bad is the weather, the show still goes on.

No matter how bad the weather is, the show still goes on.

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