Perhaps you should try some spelling variations:
doanh khoa » toan khoa
cach thoi » cac thoi, cach thuc, cach noi
hoc doanh » hoa doanh, hoc danh, hoc dan
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
anh noi » hanh noi, nang noi
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hai van » thai van, ha van, hai tan
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

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