It sounds like there are a few things coming up here, the primary being the feeling of frustration that you're not seeing as many views, favorites, or sales as you expect. We're here to help small, creative business thrive; we want every business on Etsy to succeed.
To gauge the success of your business it is wise to study your shop state year over year. That will provide a better data point -- the sales climate in December is different from any other time of the year. This is the time in December when online retail sales start to slow down as Christmas shoppers become more wary of how long the item may take to ship.
I investigate the specific difficulties brought up and could not identify any technical issues with search or browse pages.
It's true that browse pages are limited in the number of items they'll display. If your item is not on a browse page your items will not surface when that browse page is sorted by your location.
If there are any specific browse pages you're concerned aren't displaying your items or aren't displaying relevant items could you link me to them here and let me know what items you'd like to see on them? We regularly review feedback on browse pages. We want to provide the best shopping experience possible.
If you are feeling frustrated I can sincerely empathize. We have some very helpful and tangible tips for getting found from last year's Seller's Symposium here:
I'd highly recommend the videos, they're great perspective to keep in mind any time of year.