Correct

些小

/ xiē xiǎo / 
Strokes

Example

As an Adverb

slightly

1
Yǒu
有
le
了
xiē
些
xiǎo
小
jìnbù
进步

have made a little/slight progress

2
Xiē
些
xiǎo
小
bùyuè
不悦

be somewhat/slightly annoyed

As an Adjective

tiny

3
Xiē
些
xiǎo
小
zhī
之
shì
事

trifling matter