Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hoc nganh » hoc nhanh
dinh hoc » sinh hoc, hinh hoc, dich hoc
tinh hoc » sinh hoc, tin hoc, hinh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
thuoc ma » hoc ma, duoc ma
cap luan » lap luan, cap luat, phap luan
hoi cap » hoi dap, hoi cac, hoi cau
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: quy ((dinh hoc) or (tinh hoc)) tap, nghien cuu cong hoc nganh khong thuoc ma hoi cap luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: quy ((dinh hoc) OR (tinh hoc)) tap, nghien cuu cong hoc nganh khong thuoc ma hoi cap luan van.
• Adding a wildcard symbol may retrieve word variants: quy ((dinh hoc) or (tinh hoc)) tap, nghien cuu cong hoc nganh khong thuoc ma hoi cap luan van*.