I--- The Qin Empire 2 Speak Khmer __full__ -

This sounds like you're looking for a dubbed version or Khmer-language localization for the 2012 Chinese historical drama, The Qin Empire II: Alliance (大秦帝国之纵横).

Use Khmer script in search engines:
អាណាចក្រឈីន 2 បកប្រែជាភាសាខ្មែរ i--- The Qin Empire 2 Speak Khmer

• Historical Dramatization: Dramatizations of historical events from the Qin dynasty, potentially including stories of unification, governance, and the daily life of people during that era.
• Cultural Exchange: Exploration of cultural exchanges between ancient China and neighboring regions, including the spread of ideas, technologies, and cultural practices.
• Language and Identity: Themes related to language, culture, and identity, given the use of the Khmer language in the title.

6. How to Watch The Qin Empire 2 Without Khmer Dubbing (Temporary Solutions)

If you urgently want to watch the series and understand it: This sounds like you're looking for a dubbed

From what I can gather: