Why has my dog gone missing?

ok 3 years ago my mom bought me a foxteria smooth hes never gone missing ever until yesterday ok me and my bro walked up to the bush to let of some firecrackers pulmnas and both our dogs folowed us but when we were up there they were barking aat something than my dog disapierd but 1 didnt so than we walked bak home and he wasent there but than he came bak and i saw him than we whent bak up to the bush again this time he didnt folow us and ever since i saw him at home hes gone missing p.s we live on a 300 acer farm and hes been missing for 1 day we had a cat that went missing for 1 week but came bak but my dog does not like coldnes and hes verry horny dog lol he humps our cat all the time and its spring atm the only exsplenation is he got stuck in out big hugmungues bambobush but he didnt go down to the bamboo so he ovbisouly wonder off never in 3 years hes wonderd of so what do u wreckan has hapend to him has he just gone looking for another girl dog or what now i think i scared him of with my firecrackers but he didnt realy care bout crackers he learned to get uest to them plz tell me whats happend all i want is to hear him come back waging his tail i hope he doesent get shot our last big dog named bg got lost went wondering for a girl dog than the owner of the girl dog shot our dog