If you don't have access to these database portals, you can go to a better university or library nearby to check these documents. Generally, decent universities will buy the right to query and download these databases, and libraries of scientific and technological information also have these data resources.
By the way, post some related article names and author information, I hope it will be useful to you.
1: Study on land suitability evaluation and reclamation scheme in coal mining subsidence area of Song Xiaohebi No.8 Mine, Henan Polytechnic University, 20 12, master's degree thesis.
2. Research and empirical analysis on key contents of land reclamation scheme in metal mines, Zhou Zengke, China Geo University (Beijing), 20 10, master's degree thesis.
3. operability analysis of land reclamation scheme implementation, Yang; Bai zhongke; Zhou Wei; Guo Ligang, Resources and Industry, 20 12-02-20
4. Study on the Reclamation Scheme of Coal Mining Subsidence in Typical Plain Area —— Taking Zhenwu Pan An Village, jiawang district, Xuzhou City as an example, Zhang Hui, Nanjing Normal University, 2007, Master's degree thesis.
5. Technical points of land reclamation scheme for metal mines, Zhu Yibin; Zhou; Linhai, nonferrous metal, 20 10-05- 15
6. Study on monitoring and evaluation of land reclamation scheme in ecologically fragile mining areas-Taking Pingshuo mining area as an example: Bai Zhongke, Research on Soil and Water Conservation, 20 12-02- 15.
7. Integration of land use and reclamation technology in rural residential areas in hilly and mountainous areas, believing in new ideas; Yang Chaoxian; Chen Rongrong et al., Journal of Southwest University (Natural Science Edition), 20 14-0 1-07.
8. Analysis and research on the balance of water and soil resources in land reclamation scheme —— Taking a boron mine land reclamation scheme in dashiqiao city, Liaoning Province as an example, Li Dan, Heilongjiang Science and Technology Information, 20 13- 12-25.