android - need query for below requirement -

i need query should display exact match first , display rest in ascending order.

for example , have 3 elements namely

ms office office ab office  

now search text office list should display

office  ab office  ms office  

all above 3 records available in db .

i cant ascending directly ab office comes first in list .

i writing query android, direct query on android appreciated.

thanks, gobi.s

select office_name  your_table order case when office_name = 'office' 1               when office_name = 'ab office' 2               when office_name = 'ms office' 3          end