inspect the Landsat surface reflectance composite of your province
// import feature collection
var table = ee.FeatureCollection("users/servirmekong/countries/KHM_adm1");
// import surface reflectance composite
var composites = ee.ImageCollection("projects/servir-mekong/yearlyComposites");
// filter for province
var province = "Batdâmbâng";
// select province from feature collection
var myProvince = table.filter(ee.Filter.eq("NAME_1","Batdâmbâng"));
// filter image for date
var img = ee.Image(composites.filterDate("2018-01-01","2018-12-31").first());
// add image to map
Map.addLayer(img.clip(myProvince),{min:0,max:3000,bands:"red,green,blue"},"2018");