How to refine Google search results display by period

With such feeling you can say "within a year" or "within 3 months" "within 6 months"

Details are as follows. The way of doing it first is as usualhttp://www.google.co.jp/Search by.

For example search normally with "GIGAZINE".

Next, "& as_qdr = y" is attached to the end of the above address.

An example of trying to stick.

& Amp; as_qdr = y means less than 1 year, & amp; as_qdr = m3 within 3 months, & amp; as_qdr = m6 within 6 months, & & as_qdr = all means not specified. I can not imagine that there is not much difference when using it normally ... ...

It might be good to use something like this with such feeling.

Well, from here you can do more in detail, but because there are many items and troublesome ...

Google search options

However, there was a search option for "right to use" from before ...? It seems that it was added since late January this year ... ...