Perhaps you should try some spelling variations:
khoa tieng » thoai tieng, hoc tieng, khoa tinh
doanh khoa » toan khoa
dung khoa » dung cho
khoa than » khoa luan, hoa thai, hoa tan
dan dung » van dung, tin dung, ap dung
ket luan » te luan, dat luan, ket doan
thi kinh » tri kinh, thi minh, thi hinh

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

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