Perhaps you should try some spelling variations:
khang thuoc » khong thuoc, dang thuoc, hanh thuoc
nganh khang » nganh khong, ngan hang, nhanh thang
nguyen huy » nguyen huu, nguyen duy, nguyen duc
hoc nganh » hoc nhanh
thuoc mai » thuoc ma, thuoc tai, thuoc moi
dich hoc » sinh hoc, hinh hoc, tinh hoc
toan hoc » toan khoa, van hoc, hoa hoc
mai khoi » mai khoa, tai khoa, cac khoi
tu dich » te dich, chu dich, hut dich
khoi ca » khoi can, khoi cua, khoi va
nhan va » nhan tai, nhan dan, nhan tao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu dich hoc tap, ((nguyen huy) or (nghien cuu)) toan hoc nganh khang thuoc mai khoi ca nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dich hoc tap, ((nguyen huy) OR (nghien cuu)) toan hoc nganh khang thuoc mai khoi ca nhan va.
• Adding a wildcard symbol may retrieve word variants: tu dich hoc tap, ((nguyen huy) or (nghien cuu)) toan hoc nganh khang thuoc mai khoi ca nhan va*.