http://172.19.1.196:8983/solr/secweb/select?q=Difficult PTT Exploration and Production Public Company Limited OR "PTT Exploration and Production" OR "PTT Exploration" OR "PTT Discovery" OR "Petroleum Authority of Thailand Exploration" OR "Petroleum Authority of Thailand Discovery"&wt=json&indent=true&facet=true&facet.field=key_filetype&facet.field=key_sitemap&facet.field=system_name&facet.field=key_keywords&hl=on&hl.fragsize=200&hl.fl=id,title_th,searchcontent_th&defType=edismax&qf=searchcontent_th&qf=id&qf=title_th^1000000&pf=title_th~5^1&pf=searchcontent_th~5^10000&ps=2&mm=100&qf=title_th_default&start=70&rows=10