Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
dung tong » dung trong, dung thong, dung cong
tong luan » tang luan, dung luan, hang luan
luan phan » luan van, luan hoan
cong cua » cong cu, dong cua, huong cua
cua dung » cua dang, cua dong, qua dung
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - thanh cong cua dung tong luan phan dau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh cong cua dung tong luan phan dau*.