Perhaps you should try some spelling variations:
truong dong » trong dong, truong dang, tuong dong
truong cong » trong cong, truong long, truong chung
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cac » trinh cac, thanh cac, tranh cai
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: hoc hien xanh - canh tranh cac ((truong cong) OR (truong dong)) dan phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - canh tranh cac ((truong cong) OR (truong dong)) dan phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh tranh cac ((truong cong) OR (truong dong)) dan phan cau*.