Perhaps you should try some spelling variations:
doanh khoa » toan khoa
minh doanh » kinh doanh, minh danh, minh doan
hang khoa » dung khoa
thiet thu » thi thu, thien tu, thiet yeu
khoa kham » kho khan, khoa than
ket luan » ket qua, te luan, ket doan
dat luan » dan luan, dau luan, dat quang
thu minh » thi minh, chi minh, vu minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (ngan or nhan) hang khoa luan ((ket luan) OR (dat luan)) thiet thu minh doanh khoa kham~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (ngan OR nhan) hang khoa luan ((ket luan) OR (dat luan)) thiet thu minh doanh khoa kham.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(ngan or nhan) hang khoa luan ((ket luan) OR (dat luan)) thiet thu minh doanh khoa kham".
• Adding a wildcard symbol may retrieve word variants: (ngan or nhan) hang khoa luan ((ket luan) OR (dat luan)) thiet thu minh doanh khoa kham*.