Perhaps you should try some spelling variations:
chuan sinh » nhan sinh, xuan sinh, chuan san
doanh khoa » toan khoa
dung khoa » dung cho
khoa than » hoa thai, hoa tan, kho khan
ban dung » van dung, dan dung, tan dung
luan ket » lien ket
qua tieu » luan tieu
cua sinh » hoa sinh, va sinh

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

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