What types of records are available for Cambodia? For Phnom Penh?
Are there other websites that might have more records?
Familysearch has a 1951 phone directory
Have you tried searching FamilySearch Wiki. Here are steps that can help you find it.
The Research Wiki allows you to conduct a search for family history articles. Most often you search by place or with key words.
The table below offers strategies to help you find information in the FamilySearch Research Wiki.
What You KnowStrategyThe exact title of an articleEnter the full title in the search box. Keywords from an article that you read previouslySearch with keywords that you remember from the title or the body of the article.General information about what you want to learnEnter these kinds of search terms:
Note: Near the bottom of every article, the word "Category" appears. To see a list of all articles in the category, click the name of the category. Search the list of articles in the category for similar or related articles.
Another thing you can try is to go to a search engine and type in Cambodia Genealogy and see if you can find anything. Good luck
@Gail Craigie Gibbs
Go to the Search tab on Family search and in the dropdown go to records. Click on the world map and it will show you the Asian area. In that there is a section entitled Cambodia. If you click on that it will take you to the records that are available at FamilySearch.