Perhaps you should try some spelling variations:
luan chung » luan chinh
chung dong » chuong dong, chuong duong, phuong dong
hieu tinh » chieu tinh, lieu tinh, kieu tinh
hanh dung » thanh dung, anh dung, hanh dong
doc hieu » toc thieu, hoc thieu, hoc hien
dong dan » dong danh, duong dan, dong san
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu tinh - hanh dung luan chung dong dan phan cau~.
• Adding a wildcard symbol may retrieve word variants: doc hieu tinh - hanh dung luan chung dong dan phan cau*.