How effective has the Cambodian diplomatic service been in encouraging Chinese investment into the country?

Please also add the introductory to the all the beginning of paragraph.

1. Talking about China and the world in the late 20th + 21st century ( Brief)

China grand strategy: Soft power, Foreign policy and Diplomacy

2. Asia in the late 20th and 21st. Mentioning about the growth of ASEAN, Rise of China, and the development

3. China and its neighbours ( Brief)

4. Cambodia background

5. Cambodia grand strategy

6. Current Chinese and Cambodia relations

7. Chinese and Cambodia Economic relations

8. The Role of Diplomacy ( Please find the theory to work in this part)