Please make sure your browser supports JavaScript and cookies and that you are not blocking them from loading. Why did this happen? You might think that these questions have simple answers. There are plenty of other technical rules too. You sue (or arbitrate) to get it back.
The numerous issues of 2008 google blocked and irrelevant sites would have no meaning  within that line.
( z0 mean :ARG1 ( z1 issue :quant ( z2 numerous ) :ARG1 ( z3 site :ARG1-of ( z4 relevant :polarity - ) :ARG1-of ( z5 block :ARG0 ( z6 company :name ( z7 name :op "Google" ) ) ) ) :time ( z8 date-entity :year 2008 ) ) :location ( z9 line :mod ( z10 that ) ) :polarity - )
(z0 / mean-01
    :ARG1 (z1 / issue-02
              :quant (z2 / numerous)
              :ARG1 (z3 / site
                        :ARG1-of (z4 / relevant-01
                                     :polarity -)
                        :ARG1-of (z5 / block-01
                                     :ARG0 (z6 / company
                                               :name (z7 / name
                                                         :op1 "Google"))))
              :time (z8 / date-entity
                        :year 2008))
    :location (z9 / line
                  :mod (z10 / that))
    :polarity -)
The numerous issues of 2008 google blocked and irrelevant sites would have no meaning within that line .
z1 :quant z2
z1 :time z8
z8 :year 2
z6 :name z7
z7 :op1 3
z5 :ARG0 z6
z3 :ARG1-of z4
z3 :ARG1-of z5
z1 :ARG1 z3
z4 :polarity 0
z0 :polarity 1
z0 :ARG1 z1
z9 :mod z10
z0 :location z9