Perhaps you should try some spelling variations:
cach ngoai » cach noi, dich ngoai, gach ngoi
nganh dang » ngan hang, nhan dang, nganh cong
dang thuoc » dung thuoc
ngoai tap » ngoai tac, ngoai tai, ngoai tru
hoc nganh » hoc nhanh
thuoc ma » hoc ma, duoc ma
phan van » pham van, thanh van, luan van
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoa van » hoa dan, hoang van, hoa phan
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 cach ngoai tap, nghien cuu mon hoc nganh dang thuoc ma hoa van ((phan van) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach ngoai tap, nghien cuu mon hoc nganh dang thuoc ma hoa van ((phan van) OR (nhan va)).
• Adding a wildcard symbol may retrieve word variants: tu cach ngoai tap, nghien cuu mon hoc nganh dang thuoc ma hoa van ((phan van) or (nhan va))*.