Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
luat nganh » luat ngan, thuat nganh, luat doanh
nganh dong » nganh cong, nhanh dong, nganh nong
dong luat » dong luan, dung luat, dong luc
mach hoc » cach hoc, anh hoc, bac hoc
dich hoc » sinh hoc, hinh hoc, tinh hoc
cua dong » chua dong, cua cong, cua dang
dong hoc » dong co, dong luc
dan nhan » danh nhan, dan chan, van nhan
nhan van » nhan dan, nhan va, phan van
hoi dan » hoa dan, hoc dan, hoi dap
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((mach hoc) or (dich hoc)) tap, nghien cua dong luat nganh dong hoc xa hoi dan nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((mach hoc) OR (dich hoc)) tap, nghien cua dong luat nganh dong hoc xa hoi dan nhan van.
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) or (dich hoc)) tap, nghien cua dong luat nganh dong hoc xa hoi dan nhan van*.