Perhaps you should try some spelling variations:
hang khoa » dung khoa
qua trinh » qua kinh
trinh thi » trinh tai, dinh thi, trinh tu
doanh kho » doanh khoa, doanh cho, doanh nho
luan ket » lien ket
thi kinh » tri kinh, thi minh, thi hinh
kho khan » khoa kham, khoa than

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 qua trinh thi kinh doanh kho khan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (ngan OR nhan) hang khoa luan ket qua trinh thi kinh doanh kho khan*.