Perhaps you should try some spelling variations:
doanh thoai » doanh tai, doanh khoa, doanh hoan
dung khoa » dung cho
tieu nhan » tiep nhan, tieu chuan, trien nhan
nhan kinh » than kinh, nha kinh, nhan sinh
anh dung » anh dong, anh huong, sach dung
luan ket » lien ket
qua tieu » luan tieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: anh dung khoa luan ket qua tieu nhan kinh ((doanh thoai) OR (doanh ngoai)) tieng~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "anh dung khoa luan ket qua tieu nhan kinh ((doanh thoai) OR (doanh ngoai)) tieng".
• Adding a wildcard symbol may retrieve word variants: anh dung khoa luan ket qua tieu nhan kinh ((doanh thoai) OR (doanh ngoai)) tieng*.