After search some word in my email then view don't sort last mail on top.
My problem is when I search any word in my email then view don't sort last mail on top such as i search word "CNC" in my email then search view show mail since 2012 on the top of view and loading email then after we wait until finish load mail then on top of search view show new mail become mail in July 2016 but it actually search view should be show new mail on top is mail in december 2016.
This problem just happen when about last 2 weeks.
Please advise how to solve to us.
One reason why I don't use gmail to work because good search engine email of yahoo and I long time to use this mail in working about 7 years and we don't want to change gmail
Please urgently to advise.