Perhaps you should try some spelling variations:
doanh khoa » toan khoa
nghiep cua » nghiep vua, nghiep luan, nghien cuu
canh thoi » cach thoi, hanh thoi, anh tho
hoc doanh » hoa doanh, hoc danh, hoc dan
nhan dan » phan dau, gian dan
khoa hoc » hoa hoc
thu canh » thuc hanh, thu cong, thu ban
thoi dap » hoi dap, thoi dai, thi dap
nhan tai » hang tai, van tai, toan tai
mon hoc » toan hoc, dong hoc
hoi van » hoi va, hoi dan, hai van
cua mon » cua mot, cua moi, cua con
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu canh thoi dap, nghiep cua mon hoc doanh khoa hoc ma hoi van ((nhan dan) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu canh thoi dap, nghiep cua mon hoc doanh khoa hoc ma hoi van ((nhan dan) OR (nhan tai)).
• Adding a wildcard symbol may retrieve word variants: thu canh thoi dap, nghiep cua mon hoc doanh khoa hoc ma hoi van ((nhan dan) or (nhan tai))*.