The phrase "a few focus" is not correct in English.
Did you mean "a few focuses" or "a few points of focus"? If this is the case, you can use it when referring to multiple areas of concentration or attention in a discussion or analysis.
Example: "In our meeting, we will discuss a few focuses that need our immediate attention to improve team performance."
Alternatives: "a few areas of focus" or "a few focal points".
However, most studies focus on developed cities; only a few focus on developing cities.
Some of these photographers, not surprisingly, also do fashion and magazine work, but a few focus on only real estate.
It's not that hard, or expensive — but it does take more than forming a few focus groups.
In several studies the influence of the bond length is dealt with, but only a few focus on the effect of the width of the bonded materials.
Most of the studies on fieldwork learning focus on strategies during the fieldtrip, whereas only a few focus on the preparation, and yet this stage is crucial for students to get maximum benefit from the fieldwork experience.
He then conducts "speed coaching" sessions with about 10 early career leaders: intense, five-minute discussions centered on a few focus areas such as personal brand and navigating the organizational matrix.
Mr. Gore is not an authentic populist preaching class warfare -- he's an inauthentic populist supported by corporate interests who hijacks populist sloganeering to vilify a few focus-group-chosen industries that most middle-class Americans understandably regard as ripoffs.
Most cyberbullying studies were conducted in Western countries, with only a few focusing on Asia.
The majority of past road safety studies focused on open road segments while only a few focused on tunnels.
The minimalists like to keep a lot of white space, all the better to frame a few focused flavors.
However, only a few focused on the effect of the interaction between the modified implant surface structure and its susceptibility to bacteria.
