You can filter on more than one field at a time to further narrow the focus.
1	You	you	PRON	PERS-P2	_	3	nsubj	_	_
2	can	can	AUX	PRES-AUX	VerbForm=Fin	3	aux	_	_
3	filter	filter	VERB	INF	Case=Nom	0	root	_	_
4	on	on	ADP	_	_	5	case	_	_
5	more	much	ADJ	CMP-PL	Degree=Cmp	7	advmod	_	_
6	than	than	ADP	_	_	5	fixed	_	_
7	one	one	NUM	CARD-SG	NumType=Card	8	nummod	_	_
8	field	field	NOUN	SG-NOM	Number=Sing	3	obl	_	_
9	at	at	ADP	_	_	11	case	_	_
10	a	a	DET	IND-SG	Definite=Ind|PronType=Art	11	det	_	_
11	time	time	NOUN	SG-NOM	Number=Sing	3	obl	_	_
12	to	to	PART	_	_	14	mark	_	_
13	further	far	ADV	CMP	_	14	advmod	_	_
14	narrow	narrow	VERB	INF	Case=Nom	3	advcl	_	_
15	the	the	DET	DEF	Definite=Def|PronType=Art	16	det	_	_
16	focus	focus	NOUN	SG-NOM	Number=Sing	14	obj	_	SpaceAfter=No
17	.	.	PUNCT	Period	_	3	punct	_	_
