Perhaps you should try some spelling variations:
doan chuan » doan quan, doan tuan
dung khoa » dung cho
luan tieu » luan thiet
doan hoan » doanh hoan, hoan hoang, toan khoan
tan dung » tran dung, tin dung, van dung
luan ket » lien ket
ket luan » ket qua, te luan, dat luan
tieu chi » hieu chi, trien chi, dieu chim

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

• Performing a fuzzy search may retrieve terms with similar spellings: tan dung khoa luan ket luan tieu chi minh ((doan hoan) OR (doan chuan)) hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tan dung khoa luan ket luan tieu chi minh ((doan hoan) OR (doan chuan)) hien".
• Adding a wildcard symbol may retrieve word variants: tan dung khoa luan ket luan tieu chi minh ((doan hoan) OR (doan chuan)) hien*.