Perhaps you should try some spelling variations:
doanh khoa » toan khoa
hoc doanh » hoa doanh, hoc danh, hoc dan
cuu tong » cuu cong, cuu tinh, huu tung
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
thu cac » tu cac, thu xac, thu cuc
cac thu » cach thuc, cac thoi
hai van » thai van, ha van, hai tan
thu va » thuc va, thue va, tu va
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi
nghien » nghiep

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu cac thu va, nghien ((cuu tong) or (cuu mo)) hoc doanh khoa hoc xa hai van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu cac thu va, nghien ((cuu tong) OR (cuu mo)) hoc doanh khoa hoc xa hai van nhan dan.
• Adding a wildcard symbol may retrieve word variants: thu cac thu va, nghien ((cuu tong) or (cuu mo)) hoc doanh khoa hoc xa hai van nhan dan*.