There's that ofcourse but it's just another example of the enormous problem the Japanese are dealing with at the moment and the strain on their manpower and resources there must be.   From the same article:

Thousands of Japanese troops are to resume their search for the bodies of people killed in last month's earthquake and tsunami, although hopes that many will be recovered are fading.

Around 14,300 people are confirmed to have died in the 11 March disaster, but more than 12,000 others are unaccounted for. Many are thought to have been swept out to sea or trapped beneath debris.

"5.000 troops involved in search for victims